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For: Li L, Wen L, Lan W, Zhu H, Yang Z. A Novel Approach to Quantify Environmental Risk Factors of Myopia: Combination of Wearable Devices and Big Data Science. Transl Vis Sci Technol 2020;9:17. [PMID: 33344061 PMCID: PMC7735949 DOI: 10.1167/tvst.9.13.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023] Open

For:	Li L, Wen L, Lan W, Zhu H, Yang Z. A Novel Approach to Quantify Environmental Risk Factors of Myopia: Combination of Wearable Devices and Big Data Science. Transl Vis Sci Technol 2020;9:17. [PMID: 33344061 PMCID: PMC7735949 DOI: 10.1167/tvst.9.13.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023] Open

Number

Cited by Other Article(s)

Naipal S, Khumalo N, Rahmtoola M, Chagi S, Didi L, Mthethwa S, Ndhlovu S, Persadh B, Rampersad N. Viewing distance, font size and symptoms of eyestrain in non-presbyopic and presbyopic smartphone users. Ophthalmic Physiol Opt 2025;45:269-279. [PMID: 39450682 PMCID: PMC11629835 DOI: 10.1111/opo.13410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 10/09/2024] [Accepted: 10/10/2024] [Indexed: 10/26/2024]

Abstract

PURPOSE

Smartphones are the most frequently used digital devices globally with ~6.80 billion users. Despite the ubiquitous use of smartphones, limited information is known on the preferred viewing distance and font size of smartphone users. This study investigated viewing distance, font size and symptoms of eyestrain in non-presbyopic and presbyopic smartphone users.

METHODS

In this quantitative research study, viewing distance and font size were measured in a group of non-presbyopes (n = 107) and presbyopes (n = 53), whilst participants viewed a text message and a web page on their own smartphone. Subjects also responded to a verbal questionnaire related to the characteristics of their smartphone and the computer vision syndrome questionnaire to assess symptoms of eyestrain. Data were analysed using descriptive and inferential statistics.

RESULTS

For the total sample, the mean viewing distance for a text message was 37.13 ± 8.82 cm (median 36.00 cm), and for a web page was 36.11 ± 7.98 cm (median 36.00 cm). Presbyopes had longer median viewing distances compared with non-presbyopes for a text message (41 cm vs. 34 cm, p < 0.001) and web page (40 cm vs. 34 cm, p < 0.001). The font size for non-presbyopes were <1.0 M whilst for presbyopes were >1.2 M. More than twice the percentage of non-presbyopes were classified with digital eyestrain (DES) compared with presbyopes.

CONCLUSIONS

Non-presbyopes used shorter viewing distances, smaller font sizes and were more predisposed to DES than presbyopes. The viewing distances adopted by presbyopes were similar to the conventional near-working distance of 40 cm. Eye care practitioners should consider viewing distances when assessing near-visual functions and prescribing a near refractive correction, particularly in non-presbyopes. There should be greater awareness of the importance of adopting appropriate viewing distances when using smartphones.

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Zhang Z, Zeng L, Gu D, Wang B, Kang P, Watt K, Zhou J, Zhou X, Chen Z, Yang D, Chen C, Wang X, Zhou X, Chen Z. Spectacle Lenses With Highly Aspherical Lenslets for Slowing Axial Elongation and Refractive Change in Low-Hyperopic Chinese Children: A Randomized Controlled Trial. Am J Ophthalmol 2025;269:60-68. [PMID: 39197509 DOI: 10.1016/j.ajo.2024.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 07/04/2024] [Accepted: 08/16/2024] [Indexed: 09/01/2024]

Affiliation(s)

Zhe Zhang From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Li Zeng From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Dantong Gu Clinical Research and Achievement Translation Center (D.G.), Eye & ENT Hospital, Fudan University, Shanghai, China
Bingjie Wang School of Optometry and Vision Science (B.W., P.K., K.W.), University of New South Wales, Sydney, Australia
Pauline Kang School of Optometry and Vision Science (B.W., P.K., K.W.), University of New South Wales, Sydney, Australia
Kathleen Watt School of Optometry and Vision Science (B.W., P.K., K.W.), University of New South Wales, Sydney, Australia
Jiaqi Zhou From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Xueyi Zhou From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Zhuoyi Chen From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Danjuan Yang From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Can Chen From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Xiaoying Wang From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Xingtao Zhou From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China
Zhi Chen From the Eye Institute and Department of Ophthalmology (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Eye & ENT Hospital, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Chinese Academy of Medical Sciences, Shanghai, China; Shanghai Research Center of Ophthalmology and Optometry (Z.Z., L.Z., J.Z., X.Z., Z.C., D.Y., C.C., X.W., X.Z., Z.C.), Shanghai, China.

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Guggenheim JA, Clark R, Pease A, Blair PS, Williams C. Estimating the True Effect of Lifestyle Risk Factors for Myopia: A Longitudinal Study of UK Children. Transl Vis Sci Technol 2024;13:10. [PMID: 39535748 PMCID: PMC11575705 DOI: 10.1167/tvst.13.11.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2024] Open

Chen J, Yuan XL, Liao Z, Zhu W, Zhou X, Duan X. Research Trends and Hotspots of Big Data in Ophthalmology: A Bibliometric Analysis and Visualization. Semin Ophthalmol 2024:1-13. [PMID: 39460752 DOI: 10.1080/08820538.2024.2421478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2024] [Revised: 10/14/2024] [Accepted: 10/20/2024] [Indexed: 10/28/2024]

Yi Y, Luo H, Zhang Q, Wu M. Prospective study of using 1064-nm Q-switched Nd: YAG combined with radiofrequency-imported vitamin C on pigmented infraorbital dark circles. Lasers Med Sci 2024;39:242. [PMID: 39325202 PMCID: PMC11427478 DOI: 10.1007/s10103-024-04197-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 09/23/2024] [Indexed: 09/27/2024]

Abstract

Infraorbital dark circles are a common manifestation of periorbital melanosis, which is aesthetically defective and bring a negative impact on life quality. However, there is no acknowledged treatment for infraorbital dark circles. The 1064-nm Q-switched Nd: YAG laser (QSNYL) is commonly utilized to treat hyperpigmentation disorders. Radiofrequency (RF) therapy can improve the transdermal absorption rate of drugs. A prospective clinical trial was conducted to investigate the clinical efficacy and safety of 1064-nm QSNYL combined with RF-imported vitamin C for the treatment of infraorbital dark circles. A questionnaire was used to explore the relevant factors affecting the severity of infraorbital dark circles. A total of 30 patients with pigmented infraorbital dark circles were enrolled in this clinical trial. Each participant received 4 treatments and was followed up for at least 12 months after the last treatment.We focused on the overall change in the appearance of the included participants before and after treatment, by using satisfaction evaluation.In order to reduce evaluation bias, the vivo reflectance confocal microscopy images were taken on days 1 and 120 to detect pigmentation. The questionnaire survey before treatment showed that high-frequency makeup was positively and statistically significant with the severity of infraorbital dark circles (p < 0.01). Both participants and independent evaluators found that the hyperpigmentation in the infraorbital region was significantly reduced after combined treatment with high treatment satisfaction. The density of melanin particles in the infraorbital dark circles region showed a decreased trend. No significant side effects were observed. The 1064-nm QSNYL combined with RF-imported vitamin C is a safe and effective treatment for pigmented infraorbital dark circles by reducing melanin particles.

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Daich Varela M, Sanders Villa A, Pontikos N, Crossland MD, Michaelides M. Digital health and wearable devices for retinal disease monitoring. Graefes Arch Clin Exp Ophthalmol 2024:10.1007/s00417-024-06634-3. [PMID: 39297890 DOI: 10.1007/s00417-024-06634-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/30/2024] [Accepted: 08/29/2024] [Indexed: 09/21/2024] Open

Ramamurthy D, Srinivasan S, Chamarty S, Velappan T, Verkicharla PK, Samuel Paulraj AK. Smart Devices in Optometry: Current and Future Perspectives to Clinical Optometry. CLINICAL OPTOMETRY 2024;16:169-190. [PMID: 39100732 PMCID: PMC11296370 DOI: 10.2147/opto.s447554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 06/18/2024] [Indexed: 08/06/2024]

He X, Li SM. Gene-environment interaction in myopia. Ophthalmic Physiol Opt 2023;43:1438-1448. [PMID: 37486033 DOI: 10.1111/opo.13206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/25/2023]

Harb EN, Sawai ES, Wildsoet CF. Indoor and outdoor human behavior and myopia: an objective and dynamic study. Front Med (Lausanne) 2023;10:1270454. [PMID: 38020131 PMCID: PMC10643732 DOI: 10.3389/fmed.2023.1270454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023] Open

Abstract

Significance

Myopia holds significant public health concern given its social, ocular disease and economic burdens. Although environmental factors are primarily to blame for the rapid rise in prevalence, key risk factors remain unresolved.

Purpose

The aim of this study was to objectively characterize, using a wearable technology, the temporal indoor and outdoor behavioral patterns and associated environmental lighting characteristics of young myopic and nonmyopic University students.

Methods

Participants were recruited to continuously wear an Actiwatch for 3 weeks, during either or both academic and non-academic periods. The device allows continuous recording of activity and incident light. Recorded illuminance levels were used as a proxy for outdoors (>1,000 lux), with the dynamics (interval frequency and duration) of indoor and outdoor activities, as well as lighting characteristics derived. In addition, participant input regarding near work was obtained daily. Participants were classified by both myopia and axial length status (based on collected refractive error and biometry data) for the purpose of data analysis.

Result

A total of 55 students, aged 18 to 25 years of age, participated. Overall, the dosing of indoor and outdoor activities was similar across participants, regardless of myopia status, during the academic period. Nonetheless, an apparent difference in the timing of outdoor activities was noted with myopes going outdoors later in the day, particularly during the weekend (p = 0.03). While a trend was observed between increased lighting levels experienced outdoors and shorter axial lengths, there was no significant relationship with myopia status. Noteworthy, participants generally significantly overestimated time spent outdoors, compared to Actiwatch-derived estimates of the same.

Conclusion

While the findings from this cohort of young adult students did not reveal substantial myopia-related differences in behavior, the power of a more objective and dynamic approach to quantifying behavior cannot be understated, providing argument for general adoption of wearable technologies in future clinical myopia studies.

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Hönekopp A, Weigelt S. Using Light Meters to Investigate the Light-Myopia Association - A Literature Review of Devices and Research Methods. Clin Ophthalmol 2023;17:2737-2760. [PMID: 37743889 PMCID: PMC10517690 DOI: 10.2147/opth.s420631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open

Zhang Y, Su M, Sun Y, Qi L, Gao L, Wu X, Li Y, Liu Y, Li W, Jin M. Clouclip combined with a questionnaire on the influence factors of myopia in children. Front Pediatr 2023;11:1228257. [PMID: 37609361 PMCID: PMC10440742 DOI: 10.3389/fped.2023.1228257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/27/2023] [Indexed: 08/24/2023] Open

Abstract

Purpose

To evaluate eye use behavior in myopic and non-myopic children objectively using Clouclip M2 device and subjectively using questionnaire and compare the results. The study also aimed to assess the relationships between ocular biometric parameters and refractive status.

Methods

Clouclip M2 was used in monitoring eye use behavior and visual environment in children aged 9-11 years. The participants were monitored for 7 days. On the eighth day, data stored in the device were collected, relevant eye examination were conducted and survey questionnaire was administered. The paired sample t-test was used to compare the eye use behavior obtained objectively and subjectively. The relationships between ocular biometric parameters and refractive status were assessed using the Pearson's Correlation analysis.

Results

Spherical equivalent refraction was significantly correlated with axial length, axial length to corneal radius, anterior chamber depth, lens thickness, and corneal radius (P < 0.05). The average time per day spent on near work, the maximum time for single near work, and the average near working distance were significantly lower, and the average total time spent on outdoor activities was significantly longer as determined by questionnaire method than that found using Clouclip M2. Logistic regression analysis revealed that prolonged near work, shorter working distance, presence of parental myopia, and lesser outdoor activities were significant risk factors for myopia.

Conclusions

The childhood myopia is influenced by eye use behavior, eye use environment, and parental myopia. Results from this study further support that biometric and optical parameters of the eye determine refractive status. Being an objective method, Clouclip M2 provides an independent eye use behavior data which potentially are more reliable than obtained from subjective method. Our study provided a theoretical basis for myopia prevention and control in clinical practice.

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Li L, Zhu H, Wen L, Lan W, Yang Z. An Approach of Combining Convolution Neural Network and Graph Convolution Network to Predict the Progression of Myopia. Neural Process Lett 2021. [DOI: 10.1007/s11063-021-10576-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]