Srinivasan, R., Paramasivan, G., Sharma, A., Surya, J., Sharma, T., & Raman, R. (2021). Prevalence, risk factors and association with glycemic levels of presbyopia in South Indian population. Indian Journal of Ophthalmology, 69(11), 3173–3178. https://doi.org/10.4103/ijo.ijo_1407_21