Letter to the Editor: “Self-Reported Student Awareness and Prevalence of Computer Vision Syndrome During COVID-19 Pandemic at Al-Baha University” [Letter]

Figures & data

Table 1 Iqbal’s Four Major Diagnostic Criteria for Accurate CVS diagnosis^2,3

Criteria	Origin	Type	Specification
Criterion 1	Self-assessment questionnaire	Subjective	One or more ocular complaints related to time of the screen-use
Criterion 2	Self-assessment questionnaire	Subjective	One or more extraocular complaints related to time of the screen-use
Criterion 3	Self-assessment questionnaire	Subjective	One or more complaint-attacks every month over the last 12 months
Criterion 4	Complete ophthalmic examination	Objective	Documenting ocular findings as dry eye disease, reduced visual acuity, refractive errors, conjunctival hyperemia, accommodation-convergence imbalance and/or mfERG screen-induced foveal dysfunction

Iqbal M, Elzembely H, El-Massry A. Computer vision syndrome prevalence and ocular sequelae among medical students: a university-wide study on a marginalized visual security issue. Open Ophthalmol J. 2021;15:156–170. doi:10.2174/1874364102115010156

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Iqbal M, Said O, Ibrahim O, Soliman A. Visual sequelae of computer vision syndrome: a cross-sectional case-control study. J Ophthalmol. 2021;2021:6630286. doi:10.1155/2021/6630286

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