Saad Hajar

Effective cataract surgical coverage in adults aged 50 years and older: estimates from population-based surveys in 55 countries.

Anthea M Burnett, Thulasiraj D Ravilla, H. Limburg, 2022, The Lancet. Global health.

Rapid assessment of avoidable blindness and diabetic retinopathy in Taif, Saudi Arabia

H. Kuper, S. Polack, D. Yorston, 2012, British Journal of Ophthalmology.

Prevalence and causes of blindness and diabetic retinopathy in Southern Saudi Arabia

A. Mousa, A. Hazmi, Mustafa A. Wasli, 2015, Saudi medical journal.