MGD occurs when the tiny Meibomian glands in eyelids become blocked and are unable to secrete lipid layer of the tear film - a thin layer that covers the outer surface of the tear film and prevents its evaporation. Personal habits such as smoking, reduced blinking thus leading to excess tear evaporation etc.Infections and certain eye diseases such as Blepharitis.Refractive Eye Surgery such as LASIK and PRK.Medication Side Effects - diuretics, antihistamines, anti depressants, antimuscarinics are known to cause dry eye.Hormonal Changes - like during menopause.Systemic Diseases - such as Sjogren's Syndrome, Rheumatoid Arthritis, Systemic Sclerosis, Thyroid conditions, Steven Johnson Syndrome.Periods of time, results in less blinking thus Occupational - working on computers for long.Windy climate, air pollution, air conditioning,ĭusty or smoky atmosphere, over heated rooms Environmental Conditions - such as hot, dry or.Is a reduction in the production of natural tears Natural Ageing Process - as we grow older, there.Increased eye discomfort on reading, watching TV, sewing, working on a computer etc.Ĭauses for dry eye can be broadly categorised as follows:.Blurred vision that improves on blinking.Irritation in the form of itching & stinging. Grittiness & foreign body like feeling in the eye.Dry eye commonly presents as the following problems :
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