Basharat Hussain, Rashida Riaz, Ummara Rasheed. Comparative study of dry eye syndrome at high altitude and low altitude regions. Ophthalmol. Pak [Internet]. 2023 Jan. 2 [cited 2025 Jan. 26];12(1):16-9. Available from: https://ophthalmologypakistan.com/op/ojs3.3/index.php/ophth_pakistan_journal/article/view/9