Munir Amjad Baig, Rabeeya Munir, Waleed Munir.
Dry Eye Disease and Contact Lens.
Al-Shifa J Ophthalmol Jul ;14(4):191-6.

Objectives: To study the ocular surface, tear film and factors of dry eye disease (DED) in contact lens wearers. Subjects and Methods: This cross-sectional study was conducted at Federal Government Services Hospital Islamabad from January 2014 to Jan 2015. A total of 227 subjects, age ranging 25-48 years, attending eye OPD / refraction clinic were selected after taking their consent and permission from Ethical committee. Dry eye questionnaire (DEQ) was administered by a trained researcher while Dry eye tests were performed by a single surgeon under the same physical conditions. DED is defined as the simultaneous presence of symptoms and at least one sign. Data analyzed for simple percentages. Results: In this study, 72 (57.2%) of lens wearers had dry eye disease. Thirty (23.4%) were undiagnosed as dry eyes while 25 (19.4%) subjects needed to remove CL. Fifty one 71% women using CLs had DE compared to 29% male among younger age of 25-36 years and they belong to educated group compared to non-contact lens wearers. Computers office workers / students 24% and 21% smokers noted more DE symptoms. The common symptom of dry eyes in CL users was dryness (73.5%) while tired eyes (77%) was most common symptom in non CL wearers. Among CL users 29% reported discomfort in the morning that increased to 77% in the evening. Conclusion: DE symptoms were present in CL wearers than in non CL wearers. The severity increased at the end of the day among smokers and prolonged computer users.

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