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Shimazaki J. Definition and Diagnostic Criteria of Dry Eye Disease: Historical Overview and Future Directions. Invest Ophthalmol Vis Sci 2019; 59:DES7-DES12. [PMID: 30481800 DOI: 10.1167/iovs.17-23475] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The definition and diagnostic criteria of dry eye disease (DED) proposed by the Japan Dry Eye Society and other countries are reviewed. The first definition and criteria of DED in Japan were proposed in 1995. In that report, DED was considered a disease of tears, which subsequently damaged ocular epithelia. The presence of subjective symptoms was not included in the criteria. In 2006, a new definition proposed that interactions between the tear film and ocular surface epithelia play important roles in DED. The presence of subjective symptoms, including visual disturbances, changes in tears, and epithelial damage were proposed to be major components of DED, and eyes positive for all three components were diagnosed as "definitive dry eye." A third version was proposed in 2016, which emphasized unstable tear films as a core finding in DED. Following this guideline, eyes with an abnormally low tear film breakup time and the presence of subjective symptoms are considered to have DED. The current definition and criteria are different from those proposed in other countries. For example, the recently published DED definition by the Dry Eye WorkShop II (DEWS II) of the Tear Film and Ocular Surface Society (TFOS) focuses more on the underlying pathogenesis of DED, including inflammation, hyperosmolarity of tears, and neurosensory abnormalities, as well as unstable tear films.
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Affiliation(s)
- Jun Shimazaki
- Department of Ophthalmology, Tokyo Dental College, Ichikawa General Hospital, Ichikawa, Chiba, Japan
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Yokoi N, Georgiev GA. Tear Film-Oriented Diagnosis and Tear Film-Oriented Therapy for Dry Eye Based on Tear Film Dynamics. Invest Ophthalmol Vis Sci 2019; 59:DES13-DES22. [PMID: 30481801 DOI: 10.1167/iovs.17-23700] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
In December 2010 and January 2012, 3% diquafosol sodium ophthalmic solution and 2% rebamipide ophthalmic suspension, respectively, appeared first in Japan as prescription drugs for the treatment of dry eye (DE). Since then, not only the diagnosis and treatment but also the understanding of the pathophysiology of DE have greatly advanced, and a new concept of layer-by-layer diagnosis and treatment for DE, respectively termed "tear-film-oriented diagnosis" (TFOD) and "tear-film-oriented therapy" (TFOT) was born. This new concept is currently in the process of expanding from Japan to other Asian countries. TFOD is the method used for the differential diagnosis of DE, which includes aqueous-deficiency DE (ADDE), decreased wettability DE (DWDE), and increased evaporation DE (IEDE), through the dynamics of tear film (TF) and breakup patterns (BUPs) after the eye is opened. BUPs and/or each diagnosed DE subtype are/is able to distinguish the insufficient components of the ocular surface that are responsible for each BUP in a layer-by-layer fashion. Aqueous fluid, membrane-associated mucins (especially MUC16), and the lipid layer and/or secretory mucins must be insufficient in ADDE, DWDE, and IEDE, respectively, and this allows for a layer-by-layer treatment to be proposed for each BUP via the supplementation of the insufficient components, using the topical therapy currently available. In Japan, TF breakup is regarded as a visible core mechanism for DE, and an abnormal breakup time (i.e., ≤5 seconds) and symptoms are currently used for the diagnosis of DE. Therefore, TFOD and TFOT could be an ideal and practical pathway for clinicians to manage DE.
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Affiliation(s)
- Norihiko Yokoi
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Georgi As Georgiev
- Department of Optics and Spectroscopy, Faculty of Physics, St. Kliment Ohridski University of Sofia, Sofia, Bulgaria
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Yokoi N, Georgiev GA. Tear-film-oriented diagnosis for dry eye. Jpn J Ophthalmol 2019; 63:127-136. [PMID: 30783943 DOI: 10.1007/s10384-018-00645-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 09/28/2018] [Indexed: 01/19/2023]
Abstract
Tear-film (TF) stability protects the ocular surface epithelium from desiccation and is ensured via cooperation between the ocular surface components including constituents of the TF and ocular surface epithelium. Thus, when those components are insufficient or impaired, the TF breakup that initiates dry eye occurs. Recently, new, commercially available eye drops have appeared in Japan that enable TF stabilization via targeted supplementation of deficient ocular surface components. Hence, a new layer-by-layer diagnosis and treatment concept for dry eye, termed tear-film-oriented diagnosis and tear-film-oriented therapy (TFOD and TFOT, respectively), have emerged and become widely accepted in Asian countries and beyond. TFOD is a diagnostic method for dry eye based on the TF dynamics and breakup patterns (BUPs), through which dry-eye subtypes, including aqueous-deficient dry eye, decreased-wettability dry eye, and increased-evaporation dry eye, are diagnosed. BUPs and/or each diagnosed dry-eye subtype can, in a layer-by-layer fashion, reveal the insufficient ocular surface components responsible for the TF breakup. Using these data, the optimal topical TFOT to treat dry eye can be proposed by addressing the TF breakup via the supplementation of the insufficient components. In Japan, TF breakup is now regarded as a visible core mechanism of dry eye, and abnormal breakup time (ie, ≤ 5 seconds) and symptoms are currently considered part of the diagnostic criteria for dry eye. In this review, the importance of TF instability as a core manifestation of dry eye, the molecular mechanism of TF breakup, the concept of TFOD, and the methods for implementing TFOD for TFOT are introduced.
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Affiliation(s)
- Norihiko Yokoi
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Hirokoji-agaru, Kawaramachi-dori, Kamigyo-ku, Kyoto, 602-0841, Japan.
| | - Georgi As Georgiev
- Department of Optics and Spectroscopy, Faculty of Physics, St. Kliment Ohridski University of Sofia, Sofia, Bulgaria
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Corneal hyperalgesia in patients with short tear film break-up time dry eye. Ocul Surf 2019; 17:55-59. [DOI: 10.1016/j.jtos.2018.08.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 07/24/2018] [Accepted: 08/14/2018] [Indexed: 01/05/2023]
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Supporting Dry Eye Diagnosis with a New Method for Noninvasive Tear Film Quality Assessment. Optom Vis Sci 2018; 96:103-110. [PMID: 30589765 DOI: 10.1097/opx.0000000000001336] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
SIGNIFICANCE Noninvasive high-speed videokeratoscopy equipped with specific software has shown potential for assessing the homeostasis of tear film, providing clinicians with a fast and consistent tool for supporting dry eye diagnosis and management. PURPOSE The purpose of this study was to evaluate the efficacy of a recently proposed method for characterizing tear film dynamics using noninvasive high-speed videokeratoscopy in assessing the loss of homeostasis of tear film. METHODS Thirty subjects from a retrospective study, of which 11 were classified as dry eye and 19 as healthy, were included. High-speed videokeratoscopy measurements were performed using E300 videokeratoscope (Medmont Pty., Ltd., Melbourne, Australia). Raw data were analyzed using a recently proposed method to estimate the dynamics of the tear film based on a fractal dimension approach. This method provides three time-varying indicators related to the regularity of the reflected rings: tear film surface quality indicator, breaks feature indicator, and distortions feature indicator. From each indicator, five parameters were extracted and analyzed, including noninvasive breakup time, mean value of the indicator in the stability phase, mean value of the indicator in the whole interblink interval, mean value of the indicator in the leveling phase, and the general trend of the time series. Receiver operating characteristic curves were used to determine the sensitivity and specificity of each parameter in dry eye detection. RESULTS The best discrimination performance between dry eye and healthy subjects was achieved with the breaks feature indicator noninvasive breakup time parameter, with an area under the curve of 0.85. For a cutoff value of 10 seconds, the sensitivity was 100% and the specificity was 84%. CONCLUSIONS The analyzed method improves the assessment of tear film homeostasis in comparison with previous high-speed videokeratoscopy methods showing higher potential in assisting dry eye diagnosis.
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Uchino M, Kawashima M, Uchino Y, Tsubota K, Yokoi N. Association between tear film break up time and blink interval in visual display terminal users. Int J Ophthalmol 2018; 11:1691-1697. [PMID: 30364241 DOI: 10.18240/ijo.2018.10.18] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 06/11/2018] [Indexed: 01/03/2023] Open
Abstract
AIM To investigate the association between tear film break up time (TBUT) and blinking interval in visual display terminal (VDT) users. METHODS Nine hundred and thirty VDT users underwent dry eye testing, and functional visual acuity (FVA) test. The blinking interval during FVA was compared with TBUT. Subjects with longer blinking interval than TBUT were considered as unstable tear film. Logistic regression analysis revealed the risk factors for unstable tear group. RESULTS Among 930 workers, 858 subjects (92.3%) participated in this study. Almost 80% of the subjects were categorized into the unstable tear group. Unstable tear group has significantly lower Schirmer values and TBUT (17.5±11.6 vs 21.1±11.5 mm, 3.7±2.6 vs 5.7±2.7s, both P<0.001). There were no significant differences in epithelial staining or severity of symptoms. Logistic regression showed that over 40y was a risk for being unstable tear group [odds ratio (OR)=1.53; 95% confidence interval (CI)=1.06-2.20]. Contact lens use was protective factor for being in the unstable tear group (OR=0.37; 95%CI= 0.26-0.53). CONCLUSION Subjects with shorter TBUT than blinking interval are prevalent among VDT users. Subjects over the age of 40 shows an increased risk for unstable tear film.
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Affiliation(s)
- Miki Uchino
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Yuichi Uchino
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Norihiko Yokoi
- Department of Ophthalmology, Kyoto Prefectural University School of Medicine, Kyoto 602-8566, Japan
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Abstract
PURPOSE To summarize the results of a cross-sectional epidemiologic study of Japanese office workers who use visual display terminals (VDTs). METHODS Workers in a pharmaceutical company head office were recruited. Participants were requested to complete a questionnaire on symptoms of dry eye disease (DED) and evaluations using the Work Limitations Questionnaire, International Physical Activity Questionnaire, Subjective Happiness Scale, and Pittsburgh Sleep Quality Index. Evaluations of ocular status, including conjunctival and corneal vital staining with lissamine green and fluorescein, measurement of tear film breakup time, and the Schirmer test, were performed. The Japanese 2007 diagnostic criteria for DED were implemented. RESULTS The prevalence of DED among VDT workers was high. Definite DED was present in 11.6% (18.7% women and 8.0% men) of participants, and probable DED was present in 54.0% (57.8% women and 52.1% men). Total loss of workplace productivity was significantly greater in the definite DED group (4.82%) than in the probable DED group (4.06%) and the non-DED group (3.56%, P < 0.014, trend test). Participants with definite DED had significantly lower physical activity scores than those without DED (P = 0.025). Subjective happiness correlated with the dry eye symptom score (r = -0.188; P < 0.001). Participants with DED reported poor sleep quality at a higher rate compared with those without DED (45% vs. 34%), with a significant difference in the global score (P = 0.002). CONCLUSIONS Dry eye is prevalent among VDT workers. Its impacts on work productivity, physical activity, and sleep quality warrant further study.
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Ishikawa S, Murayama K, Kato N. The proportion of ocular surface diseases in untreated patients with epiphora. Clin Ophthalmol 2018; 12:1769-1773. [PMID: 30254415 PMCID: PMC6141122 DOI: 10.2147/opth.s172503] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Various ocular surface disorders, such as dry eye, infectious and non-infectious inflammation, anatomical anomalies in lid structure, and/or obstruction of the tear outflow tract, can cause epiphora. However, few reports have described the proportions of causative diseases in patients with epiphora. Therefore, we investigated the frequent causes of epiphora in older adult patients. MATERIALS AND METHODS We enrolled 220 patients (70 men, 150 women) who visited a primary eye care clinic from January 2016 to August 2017 with lacrimation as a chief complaint. The mean age of the patients was 61.3±10.9 years. The causes of epiphora were assessed by slit-lamp examinations, dry eye tests, fluorescein disappearance tests, and lacrimal pathway washing. RESULTS The causes of epiphora were dry eye in 96, conjunctivochalasis in 56, lacrimal obstruction in 30, conjunctivitis in 20, trichiasis in 16, and facial palsy in 2 patients. Ocular surface diseases were identified in 187 of the 220 (85%) patients who complained of epiphora. Conjunctivochalasis was observed in 36 of the 96 (38%) patients with dry eye. Among the patients with dry eye, 99% had short break-up time type dry eye, with the random break type being the most frequent type (61/96; 64%) in patients with epiphora. CONCLUSION Among older adult patients whose main complaint was epiphora, 85% had ocular surface diseases. In contrast, only 15% of patients had lacrimal diseases. Short break-up time dry eye, especially the random break type, was the most frequently observed form of dry eye in our cohort.
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Affiliation(s)
- Sho Ishikawa
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan,
| | | | - Naoko Kato
- Department of Ophthalmology, Saitama Medical University, Saitama, Japan,
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Therapeutic effects of 3% diquafosol ophthalmic solution in patients with short tear film break-up time-type dry eye disease. BMC Ophthalmol 2018; 18:237. [PMID: 30185156 PMCID: PMC6126033 DOI: 10.1186/s12886-018-0910-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 08/30/2018] [Indexed: 11/29/2022] Open
Abstract
Background To investigate therapeutic effects of topical diquafosol tetrasodium 3% ophthalmic solution in patients with short tear film break-up time (TFBUT)-type dry eye (DE). Methods The prospective study was performed in 70 eyes of 70 patients with short TFBUT-type DE. Diagnosis of short TFBUT-type DE was made based on the presence of DE symptoms, TFBUT value ≤5 s, corneoconjunctival staining score ≤ 2 (on a scale of 0 to 4), and Schirmer I value > 5 mm. Patients with systemic immunologic disorders or ocular graft-versus-host disease were excluded. Before and after instillation of 3% diquafosol ophthalmic solution six times per day for 4 weeks, subjective DE symptoms, TFBUT, corneoconjunctival staining score, and Schirmer I value were examined and compared. Also, demographic factors were compared between patients who showed improvement in each DE parameter by treatment and those who did not. Results Four-week treatment with 3% diquafosol ophthalmic solution significantly improved DE symptoms (p < 0.0001), increased TFBUT (p < 0.0001), and reduced corneoconjunctival staining scores (p < 0.0001). Schirmer I values were not changed by treatment. The age of patients who showed improvement in subjective DE symptoms after treatment was significantly lower than that of patients who did not (53.4 ± 27.5 vs. 63.3 ± 13.9 years, p = 0.012). Ocular side effects developed in 3 patients (4.3%), including conjunctival chemosis (n = 1) and persistent stinging sensation (n = 2). Conclusions Diquafosol tetrasodium 3% ophthalmic solution is effective in improving subjective symptoms and tear film stability in short TFBUT-type DE patients. Trial registration The study was retrospectively registered on Clinical Research Information Service (CRiS), Republic of Korea. Trial registration number: KCT0003134. Date of registration: 2018-08-15.
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Skrzypecki J, Stańska K, Grabska-Liberek I. Patient-oriented mobile applications in ophthalmology. Clin Exp Optom 2018; 102:180-183. [PMID: 30168194 DOI: 10.1111/cxo.12830] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 07/10/2018] [Accepted: 07/13/2018] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Mobile solutions will improve patient care only if they are equally valued by physicians and their patients. Although mobile applications are gaining acceptance among ophthalmologists and optometrists, little is known about their adoption among patients. Therefore, this study was designed to analyse the market for patient-oriented mobile applications in ophthalmology. METHODS Search engines of Google Play and App Store were utilised to find patient-oriented mobile applications. All applications were divided into seven subspecialties; dry eye, strabismus and amblyopia, macular degeneration, cataract, glaucoma, diabetic retinopathy and general ophthalmology. Subsequently, number of downloads, average patient rating, year of release and source of clinical information provided in the application were collected. Furthermore, in order to evaluate whether development of software responds to epidemiological demand, number of applications in each subspecialty was correlated with the prevalence of particular diseases. RESULTS Fifty-six applications that met established criteria were found. The overall number of downloads was estimated at the level of 1.5 million, whereas the weighted average rating for all applications was 4.21/5. The number of applications by subspecialty did not correlate with the prevalence of particular eye disorder. The dry eye was the most frequently downloaded and best rated subspecialty. CONCLUSIONS The overall number of patient-oriented applications in ophthalmology is low. Subspecialties are not equally equipped with patient-oriented mobile solutions. Furthermore, the number of applications or downloads in each subspecialty does not correlate with the number of potential users such as patients with particular eye disorders. Finally, ophthalmologists should encourage software developers to meet future demand for mobile solutions in eye disorders.
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Affiliation(s)
- Janusz Skrzypecki
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland.,Department of Ophthalmology, Medical Center for Postgraduate Education, Warsaw, Poland
| | - Karolina Stańska
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Iwona Grabska-Liberek
- Department of Ophthalmology, Medical Center for Postgraduate Education, Warsaw, Poland
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Quality of life measures and health utility values among dry eye subgroups. Health Qual Life Outcomes 2018; 16:170. [PMID: 30170606 PMCID: PMC6119313 DOI: 10.1186/s12955-018-0999-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 08/23/2018] [Indexed: 11/30/2022] Open
Abstract
Background To determine whether quality of life (QOL) and health utility are affected to the same extent among dry eye (DE) patients with short tear film break-up time dry eye (TBUT-DE) with minimal clinical signs were as severe as aqueous-deficient dry eye (ADDE). Methods A multicenter cross-sectional study was conducted among DE patients who visited one of 10 eye clinics in Japan. Among the 463 registered patients, this study involved 449 patients with DE who were aged 20 years or older. Ophthalmic examination findings were assessed, including tear film break-up time (TBUT), Schirmer I value, and keratoconjunctival staining score. QOL was evaluated with the Dry Eye-Related Quality-of-Life Score (DEQS; 0 [best], 100 [worst]) and health utility (1 [total health], 0 [worst]) with the Health Utilities Index Mark 3 (HUI-3); scores were stratified by DE subgroup. Results Median (interquartile range) of DEQS and HUI-3 scores across all participants were 21.7 (10.0–40.0) and 0.82 (0.69–0.91), respectively. Median (interquartile range) DEQS and HUI-3 scores in the ADDE group were 23.3 (10.0–40.0) and 0.79 (0.69–0.88), respectively; those in the short TBUT-DE group were 23.3 (13.3–38.3) and 0.82 (0.74–0.92), respectively. There were no significant between-group differences in questionnaire scores. Among the ophthalmic examination findings, a weak significant correlation between TBUT, corneal staining score and keratoconjunctival staining score to DEQS; TBUT and Schirmer test values to HUI-3, were seen. Conclusions The burden of short TBUT-DE on QOL as assessed by the DEQS and HUI-3 was as severe as that in ADDE. Our findings suggest that clinicians should be aware of the impact of short TBUT-DE on patients QOL and utility values. Trial registration University Hospital Medical Information Network (registration no. UMIN 000015890). Registered 10th December 2014, retrospectively registered.
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Fahmy RM, Aldarwesh A. Correlation between dry eye and refractive error in Saudi young adults using noninvasive Keratograph 4. Indian J Ophthalmol 2018; 66:653-656. [PMID: 29676308 PMCID: PMC5939156 DOI: 10.4103/ijo.ijo_1103_17] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Purpose: The purpose is to study the correlation between dry eye and refractive errors in young adults using noninvasive Keratograph. Methods: In this cross sectional study, a total of 126 participants in the age range of 19–25 years and who were free of ocular surface disease, were recruited from King Saud University Campus. Refraction was defined by the spherical equivalent (SE) as the following: 49 emmetropic eyes (±0.50 SE), 48 myopic eyes (≤−0.75 SE and above), and 31 hyperopic eyes (>+0.75 SE). All participants underwent full ophthalmic examinations assessing their refractive status and dryness level including noninvasive breakup time (NIBUT) and tear meniscus height using Keratograph 4. Results: The prevalence of dry eye was 24.6%, 36.5%, and 17.4% in emmetropes, myopes, and hypermetropes, respectively. NIBUT has a negative correlation with hyperopia and a positive correlation with myopia with a significant reduction in the average NIBUT in myopes and hypermetropes in comparison to emmetropes. Conclusion: The current results succeeded to demonstrate a correlation between refractive errors and dryness level.
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Affiliation(s)
- Rania M Fahmy
- Department of Optometry and Vision Sciences, King Saud University, Riyadh, Saudi Arabia; Department of Ophthalmology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Amal Aldarwesh
- Department of Optometry and Vision Sciences, King Saud University, Riyadh, Saudi Arabia
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Randomized Controlled Study to Investigate the Effect of Topical Diquafosol Tetrasodium on Corneal Sensitivity in Short Tear Break-Up Time Dry Eye. Adv Ther 2018; 35:697-706. [PMID: 29671255 DOI: 10.1007/s12325-018-0685-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Complex mechanisms underlie dry eye (DE) symptom provocation. In particular, corneal hypersensitivity may provoke symptoms in short tear break-up time (BUT) DE characterized by tear film instability. We hypothesized that improved tear film stability may alleviate corneal sensitivity in patients with short tear BUT DE. Therefore, we investigated the effect of topical diquafosol tetrasodium (DQS) on corneal sensitivity in unstable tear film DE. METHODS This prospective, randomized study included 27 subjects (age: 39.1 ± 8.4 years; range: 25-59 years) with short tear BUT DE, defined based on the presence of DE symptoms and tear film instability. Subjects were randomly divided into DQS (3% DQS, 12 subjects) and artificial tear (AT; preservative-free AT, 15 subjects) groups. Subjects applied the medication 6 times a day for 5 weeks. The perception of touch (S-touch) and pain (S-pain) sensitivity was measured using a Cochet-Bonnet esthesiometer. Tear evaluation, corneal sensitivity, and DE symptoms were compared before and after DQS or AT administration. The correlation between the improvement degrees of corneal sensitivity and DE symptoms following medication was analyzed. RESULTS DQS significantly improved tear BUT and tear meniscus height (TMH) scores (p < 0.05), while AT significantly improved tear BUT (p < 0.05) but not TMH score. Mean S-pain and DE symptom scores were lower after medication use in the DQS (S-pain and DE symptoms: p < 0.05) and AT groups (S-pain: p = 0.05; DE symptoms: p < 0.05). However, S-touch did not change significantly in either group. A positive correlation was observed between the improvement degrees of S-pain and DE symptoms in the overall subjects studied. CONCLUSION Both DQS and AT alleviate corneal hypersensitivity and DE symptoms in eyes with short tear BUT DE. However, DQS seems to be more effective to adjust tear environment, leading to the normalization of corneal sensitivity and DE symptoms. TRIAL REGISTRATION UMIN Clinical Trials Registry Identifier, UMIN000014536.
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Kawashima M, Sano K, Takechi S, Tsubota K. Impact of lifestyle intervention on dry eye disease in office workers: a randomized controlled trial. J Occup Health 2018; 60:281-288. [PMID: 29618677 PMCID: PMC6078845 DOI: 10.1539/joh.2017-0191-oa] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objectives: To evaluate the effects of a 2-month lifestyle intervention for dry eye disease in office workers. Methods: Prospective interventional study (randomized controlled study). Forty-one middle-aged Japanese office workers (men, 22; women, 19; 39.2±8.0 years) with definite and probable dry eye disease were enrolled and randomized to an intervention group (n = 22) and a control group (n = 19). The intervention aimed at modifying diet, increasing physical activity, and encouraging positive thinking. The primary outcome was change in dry eye disease diagnoses. Secondary outcome was change in disease parameters, including dry eye symptoms, as assessed using the Dry Eye-Related Quality of Life Score, corneal and conjunctival staining scores, tear break-up time, and Schirmer test results. Results: A total of 36 participants (intervention group, 17; control group, 19) completed the study. The number of definite dry eye disease diagnoses decreased from four to none (p =.05), and the dry eye symptom score showed a significant decrease in the intervention group (p =.03). In contrast, the corneal and conjunctival staining scores, tear break-up time, and Schirmer test results did not differ significantly between groups. Conclusions: The 2-month lifestyle intervention employed in this study improved dry eye disease status among office workers, with a considerable decrease in subjective symptoms. Lifestyle intervention may be a promising management option for dry eye disease, although further investigation of long-term effects are required.
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Affiliation(s)
| | - Kokoro Sano
- Department of Ophthalmology, Keio University School of Medicine
| | - Sayuri Takechi
- Department of Neuropsychiatry, Keio University School of Medicine
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine
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Indoor air humidity, air quality, and health – An overview. Int J Hyg Environ Health 2018; 221:376-390. [DOI: 10.1016/j.ijheh.2018.01.015] [Citation(s) in RCA: 277] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 12/28/2017] [Accepted: 01/29/2018] [Indexed: 02/06/2023]
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Vu CHV, Kawashima M, Yamada M, Suwaki K, Uchino M, Shigeyasu C, Hiratsuka Y, Yokoi N, Tsubota K. Influence of Meibomian Gland Dysfunction and Friction-Related Disease on the Severity of Dry Eye. Ophthalmology 2018; 125:1181-1188. [PMID: 29459039 DOI: 10.1016/j.ophtha.2018.01.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 10/18/2022] Open
Abstract
PURPOSE To evaluate the effect of meibomian gland dysfunction (MGD) and friction-related disease (FRD) on the severity of dry eye disease (DED). DESIGN Cross-sectional observational study. PARTICIPANTS This study enrolled 449 patients with DED (63 men and 386 women; mean age, 62.6±15.7 years [range, 21-90 years]) for analysis. METHODS Subjective symptoms, the ocular surface, tear function, and the presence of MGD and FRD (superior limbic keratoconjunctivitis, conjunctivochalasis, and lid wiper epitheliopathy) were investigated. MAIN OUTCOME MEASURES Schirmer value, tear film breakup time (TBUT), and keratoconjunctival score. RESULTS We classified the participants into aqueous-deficient dry eye (ADDE; n = 231 [51.4%]) and short TBUT dry eye subtype (TBUT-DE; n = 109 [24.3%]) subgroups. The TBUT was shorter in patients with MGD than in those without MGD, whereas other ocular signs showed no difference (TBUT: MGD present, 1.97±1.02 seconds; MGD absent, 2.94±1.63 seconds [P < 0.001]; ADDE/MGD present, 1.94±1.08 seconds; ADDE/MGD absent, 2.77±1.61 seconds [P < 0.001]; short TBUT-DE/MGD present, 2.07±0.97 seconds; short TBUT-DE/MGD absent, 2.94±1.23 seconds [P = 0.01]). The ADDE patients with FRD showed a worse TBUT than ADDE patients without FRD (TBUT: ADDE/FRD present, 2.08±1.39 seconds; ADDE/FRD absent, 2.92±1.54 seconds; P < 0.001). CONCLUSIONS This study showed associations between MGD, FRD, or both and ocular signs in DED. In the presence of MGD, FRD, or both, TBUT was significantly shortened regardless of the dry eye status or subtype.
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Affiliation(s)
- Chi Hoang Viet Vu
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan.
| | - Masakazu Yamada
- Department of Ophthalmology, Kyorin University, Tokyo, Japan
| | - Kazuhisa Suwaki
- Department of Japan Medical Affairs, Santen Pharmaceutical Co., Ltd., Osaka, Japan
| | - Miki Uchino
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Chika Shigeyasu
- Department of Ophthalmology, Kyorin University, Tokyo, Japan
| | - Yoshimune Hiratsuka
- Department of Ophthalmology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Norihiko Yokoi
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
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67
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Comparison of treatment effect across varying severities of meibomian gland dropout. Cont Lens Anterior Eye 2018; 41:88-92. [DOI: 10.1016/j.clae.2017.09.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 08/23/2017] [Accepted: 09/08/2017] [Indexed: 11/18/2022]
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Changes in Distribution of Dry Eye Disease by the New 2016 Diagnostic Criteria from the Asia Dry Eye Society. Sci Rep 2018; 8:1918. [PMID: 29382858 PMCID: PMC5789837 DOI: 10.1038/s41598-018-19775-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 01/09/2018] [Indexed: 12/26/2022] Open
Abstract
Dry eye disease (DED) is a disorder of the tear film. Here, we delineate the changes in distribution of DED after diagnostic criteria changes from the 2006 Japanese Diagnostic Criteria to the 2016 Asia Dry Eye Society criteria. We included 250 right eyes of 250 patients and all patients completed ophthalmic assessments for DED. The 2006 criteria classified patients into definite DED, probable DED, and non-DED based on subjective symptoms, tear function, and/or vital staining. The 2016 criteria eliminated probable DED and classified patients into definite DED or non-DED based on subjective symptoms and decreased tear break-up time. We examined how probable DED patients were reclassified by the 2016 criteria. By the 2006 criteria, 38.8% (97/250) of patients had definite DED, 35.6% (89/250) had probable DED, and 25.6% (64/250) had non-DED. By the 2016 criteria, 66.8% (167/250) had definite DED and 33.2% (83/250) had non-DED. Among patients with probable DED using the 2006 criteria, 79.8% (71/89) were reclassified as definite DED and 20.2% (18/89) were reclassified as non-DED using the 2016 criteria. Our data revealed that prevalence of definite DED increased because most probable DED patients were reclassified as definite DED after changes in the diagnostic criteria.
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A Prospective, Randomized Trial of Two Mucin Secretogogues for the Treatment of Dry Eye Syndrome in Office Workers. Sci Rep 2017; 7:15210. [PMID: 29123104 PMCID: PMC5680274 DOI: 10.1038/s41598-017-13121-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 09/19/2017] [Indexed: 12/29/2022] Open
Abstract
The purpose of the study was to compare the two mucin secretogogues, diquafosol (DQS) and rebamipide (RBM), for the treatment of dry eye syndrome (DES) in office workers. Dry eye patients using computers for >4 h/day were randomly assigned treatment with either DQS or RBM. Main outcomes measures included changes in tear film break-up time (TBUT) and subjective symptoms assessed by the Dry Eye-Related Quality of Life Score (DEQS). The subjects had scheduled examinations at 0 and 4 weeks, and the examinations at 2 and 8 weeks were optional. Changes in keratoconjunctival fluorescein score and a patient satisfaction questionnaire were also recorded. Both groups showed significant improvements in the DEQS scores at 2, 4, and 8 weeks following the initiation of the study. Both groups showed significant increases in the TBUT at 2 and 4 weeks. No significant difference was found between the DQS and RBM groups at any time periods. Patients reported more comfort with the use of DQS compared with the use of RBM. No local or systemic side effects were noted. The results of the present study indicated that both DQS and RBM were effective for the treatment of DES in office workers.
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Amano S, Inoue K. Effect of topical 3% diquafosol sodium on eyes with dry eye disease and meibomian gland dysfunction. Clin Ophthalmol 2017; 11:1677-1682. [PMID: 29075094 PMCID: PMC5608477 DOI: 10.2147/opth.s148167] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Purpose To prospectively evaluate the effect of topical diquafosol sodium on eyes with dry eye disease (DED) and meibomian gland dysfunction (MGD). Patients and methods The subjects were consecutive patients diagnosed with both DED and MGD at Inouye Eye Hospital between March and September of 2016. The subjects were administered topical 3% diquafosol sodium ophthalmic solution six times a day for 3 months. At each study visit, subjects underwent slit-lamp examination and completed MGD symptoms and dry eye-related quality of life score (DEQS) questionnaires. Meibum quality (meibum score) and meibomian gland loss (meiboscore) were evaluated. Tear lipid layer thickness was measured in both eyes with an ocular surface interferometer immediately after clinic arrival and 20 minutes after instillation of one drop of topical diquafosol. Results Thirteen patients (3 men, 10 women) with a mean age of 69.5±8.3 years completed the 3-month study. The number of telangiectasia and plugged meibomian gland orifices significantly decreased from baseline after 1 month of diquafosol use. The meibum score and the meiboscore significantly decreased from baseline at 3 months. Also, the lipid layer thickness was greater after diquafosol administration than before administration at baseline and 1, 2, and 3 months by 12.2, 11.5, 9.5, and 17.0 nm, respectively, but this difference was only significant at 3 months (p=0.039). The DEQS ocular symptom (p=0.065) and MGD questionnaire (p=0.081) scores tended to be lower than baseline at 3 months. Conclusion Diquafosol sodium ophthalmic solution improves DED- and MGD-related signs in eyes with MGD.
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Affiliation(s)
- Shiro Amano
- Inouye Eye Hospital, Chiyoda-ku, Tokyo, Japan
| | - Kenji Inoue
- Inouye Eye Hospital, Chiyoda-ku, Tokyo, Japan
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71
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Post-blink tear film dynamics in healthy and dry eyes during spontaneous blinking. Ocul Surf 2017; 16:93-100. [PMID: 28919238 DOI: 10.1016/j.jtos.2017.09.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 08/02/2017] [Accepted: 09/11/2017] [Indexed: 02/08/2023]
Abstract
PURPOSE The aim was to investigate the dynamics of post-blink tear film leveling in natural blinking conditions (NBC) for healthy subjects and those diagnosed with dry eye syndrome (DES) and to relate this phase to the tear film surface quality (TFSQ) before the following blink. METHODS The study included 19 healthy persons and 10 with dry eye, grouped according to symptoms and signs observed during examination. Lateral shearing interferometry was used to examine TFSQ. Post-blink tear film dynamics was modeled by an exponential function, characterized by the decay parameter b, and a constant, describing the level of the stabilized TFSQ. Pre-next-natural-blink TFSQ dynamics was modeled with a linear trend, described by a parameter A. RESULTS The post-blink tear film dynamics reached its plateau at a significantly (P = 0.006) lower level in the normal tear film group than in the dry eye group. The median exponential decay parameter b was statistically significantly higher for the control group than for the DES group, P = 0.026. The parameter b calculated for each interblink interval was significantly correlated with the corresponding parameter A (Spearman's R = 0.35; P < 0.001). Correlation between the median b and tear film fluorescein break-up time for each subject was also found (R = 0.41, P = 0.029). CONCLUSIONS Significantly faster leveling of post-natural-blink tear film was observed in the group with DES than in healthy eyes. This dynamic was correlated with the pre-next-natural-blink TFSQ and tear film stability. The results of this pilot study support previous works that advocate the importance of polar lipids in the mechanism of tear film lipid spreading.
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Kaido M, Kawashima M, Shigeno Y, Yamada Y, Tsubota K. Relation of accommodative microfluctuation with dry eye symptoms in short tear break-up time dry eye. PLoS One 2017; 12:e0184296. [PMID: 28886090 PMCID: PMC5590915 DOI: 10.1371/journal.pone.0184296] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 08/21/2017] [Indexed: 11/29/2022] Open
Abstract
Purpose To investigate accommodative microfluctuations (AMFs) and visual function in short tear break-up time (BUT)-type dry eye (DE) and non-DE subjects. Methods This prospective comparative study included 48 volunteers with DE symptoms (mean age 34.8 ± 5.5 years, age range 25–42 years) and 73 without DE symptoms (mean age 30.6 ± 4.7 years, age range 25–42 years). The eyes were divided into two groups: (1) DE group with DE symptoms and BUT ≤ 5 s and (2) non-DE group without DE symptoms and BUT > 5 s. We excluded eyes with Schirmer score ≤ 5 mm and positive keratoconjunctival epithelial damage. Tear evaluation, AMF, and functional visual acuity (VA) examinations were performed. AMF parameters included total high-frequency component (HFC), HFC with low accommodation for the task of staring into the distance (HFC1), and HFC with high accommodation for deskwork (HFC2). Functional VA parameters included starting VA, functional VA, visual maintenance ratio, and blink frequency. Results A total of 33 and 34 eyes were categorized in the DE and non-DE groups, respectively. Mean blink frequency and HFC1 values were significantly higher in the DE group than they were in the non-DE group. Conclusions DEs with symptoms showed abnormal AMF and visual function, which may be associated with DE symptoms.
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Affiliation(s)
- Minako Kaido
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan.,Shinanozaka Clinic, Tokyo, Japan
| | - Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Yuta Shigeno
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | | | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
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73
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Classification of Fluorescein Breakup Patterns: A Novel Method of Differential Diagnosis for Dry Eye. Am J Ophthalmol 2017; 180:72-85. [PMID: 28579061 DOI: 10.1016/j.ajo.2017.05.022] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 05/23/2017] [Accepted: 05/23/2017] [Indexed: 01/25/2023]
Abstract
PURPOSE To investigate the relationship between fluorescein breakup patterns (FBUPs) and clinical manifestations in dry eye cases. DESIGN Cross-sectional study. METHODS In 106 eyes of 106 subjects (19 male, 87 female; mean age: 64.2 years), FBUPs were categorized into 1 of the following 5 break (B) types: area (AB, n = 19); spot (SB, n = 22); line (LB, n = 24); dimple (DB, n = 19); random (RB, n = 22 eyes); and dry eye-related symptoms using the visual analog scale (VAS, 100 mm = maximum), tear meniscus radius (TMR, mm), tear film lipid layer interference grade (IG) (grades 1-5; 1 = best) and spread grade (SG) (grades 1-4; 1 = best), tear film noninvasive breakup time (NIBUT, seconds), fluorescein breakup time (FBUT, seconds), corneal-epithelial damage (CED) score (15 points = maximum), ocular surface epithelial damage (OSED) score (9 points = maximum), and the Schirmer 1 test (ST1, mm) were examined and compared between each FBUP. RESULTS In each FBUP, eye dryness and fatigue were the severest symptoms. Characteristic symptoms were sensitivity to light, heavy eyelids, pain, foreign body sensation, difficulty opening the eye, and discharge for AB, heavy eyelids for SB, and foreign-body sensation for LB. Statistically significant differences were found in TMR (AB-SB, -DB, and -RB; LB-RB), IG (AB-all other FBUP; LB-SB and -DB), and SG (AB-all other FBUPs), FBUT (AB-LB, -DB, and -RB; SB-DB and -RB; LB-RB; DB-RB), and NIBUT (AB-all other FBUPs; SB-DB and-RB, and LB-RB), CED (AB-all other FBUPs; LB-SB, -DB, and -RB) and OSED (AB-SB, -LB, and -DB; LB-SB, -DB, and -RB), and ST1 (AB-SB, -DB, and -LB) (P < .05 in each comparison). CONCLUSIONS The 5 different FBUPs constituted different groups, reflecting different pathophysi-ologies.
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Bron AJ, de Paiva CS, Chauhan SK, Bonini S, Gabison EE, Jain S, Knop E, Markoulli M, Ogawa Y, Perez V, Uchino Y, Yokoi N, Zoukhri D, Sullivan DA. TFOS DEWS II pathophysiology report. Ocul Surf 2017; 15:438-510. [PMID: 28736340 DOI: 10.1016/j.jtos.2017.05.011] [Citation(s) in RCA: 1001] [Impact Index Per Article: 143.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 05/26/2017] [Indexed: 12/18/2022]
Abstract
The TFOS DEWS II Pathophysiology Subcommittee reviewed the mechanisms involved in the initiation and perpetuation of dry eye disease. Its central mechanism is evaporative water loss leading to hyperosmolar tissue damage. Research in human disease and in animal models has shown that this, either directly or by inducing inflammation, causes a loss of both epithelial and goblet cells. The consequent decrease in surface wettability leads to early tear film breakup and amplifies hyperosmolarity via a Vicious Circle. Pain in dry eye is caused by tear hyperosmolarity, loss of lubrication, inflammatory mediators and neurosensory factors, while visual symptoms arise from tear and ocular surface irregularity. Increased friction targets damage to the lids and ocular surface, resulting in characteristic punctate epithelial keratitis, superior limbic keratoconjunctivitis, filamentary keratitis, lid parallel conjunctival folds, and lid wiper epitheliopathy. Hybrid dry eye disease, with features of both aqueous deficiency and increased evaporation, is common and efforts should be made to determine the relative contribution of each form to the total picture. To this end, practical methods are needed to measure tear evaporation in the clinic, and similarly, methods are needed to measure osmolarity at the tissue level across the ocular surface, to better determine the severity of dry eye. Areas for future research include the role of genetic mechanisms in non-Sjögren syndrome dry eye, the targeting of the terminal duct in meibomian gland disease and the influence of gaze dynamics and the closed eye state on tear stability and ocular surface inflammation.
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Affiliation(s)
- Anthony J Bron
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK; Vision and Eye Research Unit, Anglia Ruskin University, Cambridge, UK.
| | - Cintia S de Paiva
- Department of Ophthalmology, Baylor College of Medicine, Houston, TX, USA
| | - Sunil K Chauhan
- Schepens Eye Research Institute & Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
| | - Stefano Bonini
- Department of Ophthalmology, University Campus Biomedico, Rome, Italy
| | - Eric E Gabison
- Department of Ophthalmology, Fondation Ophtalmologique Rothschild & Hôpital Bichat Claude Bernard, Paris, France
| | - Sandeep Jain
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA
| | - Erich Knop
- Departments of Cell and Neurobiology and Ocular Surface Center Berlin, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Maria Markoulli
- School of Optometry and Vision Science, University of New South Wales, Sydney, Australia
| | - Yoko Ogawa
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Victor Perez
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, Miami, FL, USA
| | - Yuichi Uchino
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Norihiko Yokoi
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Driss Zoukhri
- Tufts University School of Dental Medicine, Boston, MA, USA
| | - David A Sullivan
- Schepens Eye Research Institute & Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
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Kaido M, Kawashima M, Ishida R, Tsubota K. Severe symptoms of short tear break-up time dry eye are associated with accommodative microfluctuations. Clin Ophthalmol 2017; 11:861-869. [PMID: 28503063 PMCID: PMC5426475 DOI: 10.2147/opth.s128939] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
AIM Validating the hypothesis that accommodative microfluctuations (AMFs) may be associated with severe symptoms in short tear break-up time (BUT) dry eye (DE). METHODS This study included 12 subjects with short BUT DE (age: 49.6±18.3 years). Diagnoses were performed based on the presence of DE symptoms, BUT ≤5 s, Schirmer score >5 mm, and negative keratoconjunctival epithelial damage. Tear evaluation, AMF, and functional visual acuity (VA) examinations were conducted before and after DE treatment. The AMF parameters evaluated were: total high-frequency component (HFC), HFC with low accommodation for the task of staring into the distance (HFC1), HFC with high accommodation for deskwork (HFC2). A subjective questionnaire of DE symptoms was also performed. RESULTS Mean BUT increased from 1.9±2.0 to 6.4±2.5 s after treatment (P<0.05). The mean logarithm of the minimum angle of resolution functional VA significantly improved (from 0.19±0.19 to 0.12±0.17; P<0.05). Mean power spectrum values for total HFC and HFC1 decreased (from 61.3±5.7 to 53.8±6.6 dB and from 62.9±10.5 to 52.4±6.2 dB, respectively; P<0.05), while the mean HFC2 power spectrum values did not differ before and after treatment (P>0.05). Subjective DE symptoms were reduced in nine patients. CONCLUSION Along with the improvement of BUT after treatment, DE symptoms diminished and HFC1 and functional VA improved, suggesting that tear film instability is associated with deterioration of functional VA, AMF, and DE symptoms.
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Affiliation(s)
- Minako Kaido
- Department of Ophthalmology, Keio University School of Medicine, Tokyo.,Wada Eye Clinic, Chiba
| | - Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, Tokyo
| | - Reiko Ishida
- Department of Ophthalmology, Keio University School of Medicine, Tokyo.,Ishida Eye Clinic, Shizuoka, Japan
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Tokyo
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A Clinic-based Survey of Clinical Characteristics and Practice Pattern of Dry Eye in Japan. Adv Ther 2017; 34:732-743. [PMID: 28181147 DOI: 10.1007/s12325-017-0487-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Indexed: 10/20/2022]
Abstract
INTRODUCTION The aim of this study was to investigate the clinical characteristics and practice pattern of patients with dry eye disease (DED) in eye clinics across Japan. METHODS A multi-center, cross-sectional study was conducted among patients with DED who visited eye clinics in Japan. Subjective symptoms, patient's background, ocular surface features, and tear function were evaluated. Main outcome measures were tear break-up time (TBUT), Schirmer I value, kerato-conjunctival staining score, and dry eye symptom questionnaire score. RESULTS Initially, 463 subjects were enrolled, and 449 cases (63 male and 386 female; mean age, 62.6 ± 15.7 years) were included in the final analysis. Overall, 94.9% of patients had a shortened TBUT (≤5 s), and 54.6% had an aqueous tear deficiency (Schirmer I value ≤5 mm). The most prevalent subtype of dry eye was aqueous-deficient dry eye, which was present in 35.0% of all patients, followed by short-BUT-type dry eye, which was seen in 26.7%. CONCLUSION The two most common DED subtypes were aqueous-deficient and short-BUT-type dry eye. Shortened TBUT is the most common feature of dry eye, regardless of subtype. The current treatment choice mainly consisted of hyaluronic acid, two novel mucin secretagogues, diquafosol and rebamipide, and steroidal eye drops. TRIAL REGISTRATION University Hospital Medical Information Network: UMIN (registries no. UMIN 000015890). FUNDING Japan Dry Eye Society, Tokyo, Japan, and Santen Pharmaceutical Co., Ltd., Osaka, Japan.
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78
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Wolkoff P. External eye symptoms in indoor environments. INDOOR AIR 2017; 27:246-260. [PMID: 27444579 DOI: 10.1111/ina.12322] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 07/19/2016] [Indexed: 05/22/2023]
Abstract
Eye irritation, for example dry or irritated eyes, is generally among top three reported symptoms in office-like environments, in particular among workplaces with cognitive demanding visual display unit (VDU) work. The symptoms are especially among middle and advanced ages and particularly among women more than men. The symptoms are also among the most commonly reported complaints in the eye clinic. To be in a position to interpret the high prevalence of eye symptoms, a multidisciplinary and integrated approach is necessary that involves the external eye physiology (separate from internal eye effects), eye diseases (evaporative dry eye (DE), aqueous-deficient DE, and gland dysfunctions), and risk factors that aggravate the stability of precorneal tear film (PTF) resulting in hyperosmolarity and initiation of inflammatory reactions. Indoor environmental, occupational and personal risk factors may aggravate the PTF stability; factors such as age, contact lenses, cosmetics, diet, draft, gender, low humidity and high temperature, medication, outdoor and combustion pollutants, and VDU work. Psychological stressors may further influence the reporting behavior of eye symptoms. The impact of the risk factors may occur in a combined and exacerbating manner.
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Affiliation(s)
- P Wolkoff
- National Research Centre for the Working Environment, Copenhagen, Denmark
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79
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Daull P, Feraille L, Barabino S, Cimbolini N, Antonelli S, Mauro V, Garrigue JS. Efficacy of a new topical cationic emulsion of cyclosporine A on dry eye clinical signs in an experimental mouse model of dry eye. Exp Eye Res 2016; 153:159-164. [DOI: 10.1016/j.exer.2016.10.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 10/18/2016] [Accepted: 10/20/2016] [Indexed: 12/23/2022]
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Garza-León M, Valencia-Garza M, Martínez-Leal B, Villarreal-Peña P, Marcos-Abdala HG, Cortéz-Guajardo AL, Jasso-Banda A. Prevalence of ocular surface disease symptoms and risk factors in group of university students in Monterrey, Mexico. J Ophthalmic Inflamm Infect 2016; 6:44. [PMID: 27864795 PMCID: PMC5116015 DOI: 10.1186/s12348-016-0114-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Accepted: 11/08/2016] [Indexed: 11/16/2022] Open
Abstract
Background The objective of this study was to determine the prevalence of symptoms of ocular surface disease and its relationship with associated risk factors in students from the University of Monterrey using Ocular Surface Disease (OSDI) questionnaire. Methods A cross-sectional survey was conducted between October and December 2014 to assess the prevalence and risk factors for ocular surface disease in a group of students from Universidad de Monterrey in Monterrey, Mexico. The severity of the disease was measured via the Ocular Surface Disease Index (OSDI) questionnaire. Results The OSDI average value was 26.85 ± 20.79 points, with 70.4% of students (579) had OSDI score higher than 12 points. Women had ocular surface disease 1.63 times more than men (OR 1.29, 95% CI 1.13,1.48). Students who used ophthalmic drops have an OR 2.00 (95% CI 1.65,2.40), and students who smoke have an OR 1.24 (95% CI 1.06,1.46). Use of contact lenses, hours in front of computer or history of refractive surgery has low-estimated effect on the probability of presenting an ocular disease. Conclusions University students have a prevalence of 70.4% of ocular surface disease (OSD). OSD was associated with gender (women have a higher prevalence), smoking and the use of eye drops. A program to modify these risk factors to reduce the prevalence is needed.
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Affiliation(s)
- Manuel Garza-León
- Dirección de Ciencias Médicas de la División de Ciencias de la Salud, Universidad de Monterrey, Monterrey, Nuevo León, México. .,Fundación Destellos de Luz IBP, San Pedro Garza García, Nuevo León, México. .,, Hidalgo # 2425, consultorio 706, Colonia Obispado, Monterrey, Nuevo León, México.
| | | | - Bernardo Martínez-Leal
- Dirección de Ciencias Médicas de la División de Ciencias de la Salud, Universidad de Monterrey, Monterrey, Nuevo León, México
| | - Pablo Villarreal-Peña
- Dirección de Ciencias Médicas de la División de Ciencias de la Salud, Universidad de Monterrey, Monterrey, Nuevo León, México
| | - Hernán Gerardo Marcos-Abdala
- Dirección de Ciencias Médicas de la División de Ciencias de la Salud, Universidad de Monterrey, Monterrey, Nuevo León, México
| | - Ana Lucía Cortéz-Guajardo
- Dirección de Ciencias Médicas de la División de Ciencias de la Salud, Universidad de Monterrey, Monterrey, Nuevo León, México
| | - Arturo Jasso-Banda
- Dirección de Ciencias Médicas de la División de Ciencias de la Salud, Universidad de Monterrey, Monterrey, Nuevo León, México
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81
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New Perspectives on Dry Eye Definition and Diagnosis: A Consensus Report by the Asia Dry Eye Society. Ocul Surf 2016; 15:65-76. [PMID: 27725302 DOI: 10.1016/j.jtos.2016.09.003] [Citation(s) in RCA: 352] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 08/01/2016] [Accepted: 09/06/2016] [Indexed: 01/07/2023]
Abstract
For the last 20 years, a great amount of evidence has accumulated through epidemiological studies that most of the dry eye disease encountered in daily life, especially in video display terminal (VDT) workers, involves short tear film breakup time (TFBUT) type dry eye, a category characterized by severe symptoms but minimal clinical signs other than short TFBUT. An unstable tear film also affects the visual function, possibly due to the increase of higher order aberrations. Based on the change in the understanding of the types, symptoms, and signs of dry eye disease, the Asia Dry Eye Society agreed to the following definition of dry eye: "Dry eye is a multifactorial disease characterized by unstable tear film causing a variety of symptoms and/or visual impairment, potentially accompanied by ocular surface damage." The definition stresses instability of the tear film as well as the importance of visual impairment, highlighting an essential role for TFBUT assessment. This paper discusses the concept of Tear Film Oriented Therapy (TFOT), which evolved from the definition of dry eye, emphasizing the importance of a stable tear film.
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Kaido M, Toda I, Oobayashi T, Kawashima M, Katada Y, Tsubota K. Reducing Short-Wavelength Blue Light in Dry Eye Patients with Unstable Tear Film Improves Performance on Tests of Visual Acuity. PLoS One 2016; 11:e0152936. [PMID: 27045760 PMCID: PMC4821556 DOI: 10.1371/journal.pone.0152936] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 03/20/2016] [Indexed: 12/03/2022] Open
Abstract
Purpose To investigate whether suppression of blue light can improve visual function in patients with short tear break up time (BUT) dry eye (DE). Methods Twenty-two patients with short BUT DE (10 men, 12 women; mean age, 32.4 ± 6.4 years; age range, 23–43 years) and 18 healthy controls (10 men, 8 women; mean age, 30.1 ± 7.4 years; age range, 20–49 years) underwent functional visual acuity (VA) examinations with and without wearing eyeglasses with 50% blue light blocked lenses. The functional VA parameters were starting VA, functional VA, and visual maintenance ratio. Results The baseline mean values (logarithm of the minimum angle of resolution, logMAR) of functional VA and the visual maintenance ratio were significantly worse in the DE patients than in the controls (P < 0.05), while no significant difference was observed in the baseline starting VA (P > 0.05). The DE patients had significant improvement in mean functional VA and visual maintenance ratio while wearing the glasses (P < 0.05), while there were no significant changes with and without the glasses in the control group (P > 0.05), Conclusions Protecting the eyes from short-wavelength blue light may help to ameliorate visual impairment associated with tear instability in patients with DE. This finding represents a new concept, which is that the blue light exposure might be harmful to visual function in patients with short BUT DE.
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Affiliation(s)
- Minako Kaido
- Department of Ophthalmology, Keio University School of Medicine, Shinanomachi, Shinjuku-ku, Tokyo, Japan
- Wada Eye Clinic, Houjyou, Tateyama-shi, Chiba, Japan
- * E-mail:
| | - Ikuko Toda
- Minamiaoyama Eye Clinic, Kitaaoyama, Minato-ku, Tokyo, Japan
| | - Tomoo Oobayashi
- Minamiaoyama Eye Clinic, Kitaaoyama, Minato-ku, Tokyo, Japan
| | - Motoko Kawashima
- Department of Ophthalmology, Keio University School of Medicine, Shinanomachi, Shinjuku-ku, Tokyo, Japan
| | - Yusaku Katada
- Department of Ophthalmology, Keio University School of Medicine, Shinanomachi, Shinjuku-ku, Tokyo, Japan
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Shinanomachi, Shinjuku-ku, Tokyo, Japan
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83
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Chao W, Belmonte C, Benitez del Castillo JM, Bron AJ, Dua HS, Nichols KK, Novack GD, Schrader S, Willcox MD, Wolffsohn JS, Sullivan DA. Report of the Inaugural Meeting of the TFOS i2 = initiating innovation Series: Targeting the Unmet Need for Dry Eye Treatment. Ocul Surf 2016; 14:264-316. [DOI: 10.1016/j.jtos.2015.11.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 11/09/2015] [Accepted: 11/11/2015] [Indexed: 01/09/2023]
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84
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Sleep and mood disorders in dry eye disease and allied irritating ocular diseases. Sci Rep 2016; 6:22480. [PMID: 26927330 PMCID: PMC4772386 DOI: 10.1038/srep22480] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Accepted: 02/16/2016] [Indexed: 02/03/2023] Open
Abstract
The aim of the present study was to evaluate sleep and mood disorders in patients with irritating ocular diseases. The study design was a cross-sectional/case-control study conducted in six eye clinics. Out of 715 outpatients diagnosed with irritating ocular surface diseases and initially enrolled, 301 patients with dry eye disease (DED) and 202 age-matched control participants with other ocular surface diseases were analyzed. The mean Pittsburgh Sleep Quality Index (PSQI) and Hospital Anxiety and Depression Scale (HADS) scores were 6.4 ± 3.2 and 11.1 ± 5.7 for severe DED (n = 146), 5.5 ± 3.3 and 9.8 ± 4.0 for mild DED (n = 155), 5.5 ± 3.1 and 9.5 ± 6.6 for chronic conjunctivitis (n = 124), and 5.0 ± 3.3 and 8.9 ± 5.3 for allergic conjunctivitis (n = 78). There were significant differences among these diagnostic groups for PSQI (P < 0.05). Regression analysis of patients with DED revealed the PSQI and HADS scores were significantly correlated with the severity of DED (P < 0.05). Our results demonstrate that sleep quality in patients with DED is significantly worse than in patients with other irritating ocular surface diseases and it is correlated with the severity of DED.
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85
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Wolkoff P, Crump DR, Harrison PTC. Pollutant exposures and health symptoms in aircrew and office workers: Is there a link? ENVIRONMENT INTERNATIONAL 2016; 87:74-84. [PMID: 26641522 DOI: 10.1016/j.envint.2015.11.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 11/04/2015] [Accepted: 11/09/2015] [Indexed: 06/05/2023]
Abstract
Sensory effects in eyes and airways are common symptoms reported by aircraft crew and office workers. Neurological symptoms, such as headache, have also been reported. To assess the commonality and differences in exposures and health symptoms, a literature search of aircraft cabin and office air concentrations of non-reactive volatile organic compounds (VOCs) and ozone-initiated terpene reaction products were compiled and assessed. Data for tricresyl phosphates, in particular tri-ortho-cresyl phosphate (ToCP), were also compiled, as well as information on other risk factors such as low relative humidity. A conservative health risk assessment for eye, airway and neurological effects was undertaken based on a "worst-case scenario" which assumed a simultaneous constant exposure for 8h to identified maximum concentrations in aircraft and offices. This used guidelines and reference values for sensory irritation for eyes and upper airways and airflow limitation; a tolerable daily intake value was used for ToCP. The assessment involved the use of hazard quotients or indexes, defined as the summed ratio(s) (%) of compound concentration(s) divided by their guideline value(s). The concentration data suggest that, under the assumption of a conservative "worst-case scenario", aircraft air and office concentrations of the compounds in question are not likely to be associated with sensory symptoms in eyes and airways. This is supported by the fact that maximum concentrations are, in general, associated with infrequent incidents and brief exposures. Sensory symptoms, in particular in eyes, appear to be exacerbated by environmental and occupational conditions that differ in aircraft and offices, e.g., ozone incidents, low relative humidity, low cabin pressure, and visual display unit work. The data do not support airflow limitation effects. For ToCP, in view of the conservative approach adopted here and the rareness of reported incidents, the health risk of exposure to this compound in aircraft is considered negligible.
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Affiliation(s)
- Peder Wolkoff
- National Research Centre for the Working Environment, Denmark.
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86
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Courtin R, Pereira B, Naughton G, Chamoux A, Chiambaretta F, Lanhers C, Dutheil F. Prevalence of dry eye disease in visual display terminal workers: a systematic review and meta-analysis. BMJ Open 2016; 6:e009675. [PMID: 26769784 PMCID: PMC4735196 DOI: 10.1136/bmjopen-2015-009675] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 10/07/2015] [Accepted: 10/28/2015] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To evaluate the prevalence and risk factors of dry eye disease (DED) in workers using visual display terminals (VDT). DESIGN Systematic review and meta-analysis. DATA SOURCES We searched PubMed, Cochrane Library, Embase and Science Direct databases for studies reporting DED prevalence in VDT workers. RESULTS 16 of the 9049 identified studies were included, with a total of 11,365 VDT workers. Despite a global DED prevalence of 49.5% (95% CI 47.5 to 50.6), ranging from 9.5% to 87.5%, important heterogeneity (I(2)=98.8%, p<0.0001) was observed. Variable diagnosis criteria used within studies were: questionnaires on symptoms, tear film anomalies and corneoconjunctival epithelial damage. Some studies combined criteria to define DED. Heterogeneous prevalence was associated with stratifications on symptoms (I(2)=98.7%, p<0.0001), tears (I(2)=98.5%, p<0.0001) and epithelial damage (I(2)=96.0%, p<0.0001). Stratification of studies with two criteria adjusted the prevalence to 54.0% (95% CI 52.1 to 55.9), whereas studies using three criteria resulted in a prevalence of 11.6% (95% CI 10.5 to 12.9). According to the literature, prevalence of DED was more frequent in females than in males and increased with age. CONCLUSIONS Owing to the disparity of the diagnosis criteria studied to define DED, the global prevalence of 49.5% lacked reliability because of the important heterogeneity. We highlight the necessity of implementing common DED diagnostic criteria to allow a more reliable estimation in order to develop the appropriate preventive occupational actions.
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Affiliation(s)
- Romain Courtin
- University Hospital of Clermont-Ferrand (CHU), Department of Ophthalmology, Clermont-Ferrand, France
- University Hospital of Clermont-Ferrand (CHU), Preventive and Occupational Medicine, Clermont-Ferrand, France
| | - Bruno Pereira
- University Hospital of Clermont-Ferrand (CHU), Clinical Research Direction, Clermont-Ferrand, France
| | - Geraldine Naughton
- Australian Catholic University, Faculty of Health, School of Exercise Science, Melbourne, Australia
| | - Alain Chamoux
- University Hospital of Clermont-Ferrand (CHU), Preventive and Occupational Medicine, Clermont-Ferrand, France
| | - Frédéric Chiambaretta
- University Hospital of Clermont-Ferrand (CHU), Department of Ophthalmology, Clermont-Ferrand, France
| | - Charlotte Lanhers
- University Hospital of Clermont-Ferrand (CHU), Preventive and Occupational Medicine, Clermont-Ferrand, France
| | - Frédéric Dutheil
- University Hospital of Clermont-Ferrand (CHU), Preventive and Occupational Medicine, Clermont-Ferrand, France
- University Hospital of Clermont-Ferrand (CHU), Clinical Research Direction, Clermont-Ferrand, France
- Australian Catholic University, Faculty of Health, School of Exercise Science, Melbourne, Australia
- University Clermont Auvergne, Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions EA3533, Clermont-Ferrand, France
- Research Centre in Human Nutrition (CRNH) Auvergne, Clermont-Ferrand, France
- CNRS UMR 6024, Psychological & Psychosocial Stress Team, Clermont-Ferrand, France
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