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First Author: A.Rashed EGYPT
Co Author(s): A. Dahab
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Evaluation of the tear film affection and tear secretion after standard phacoemulsification in diabetic patients
1.Opthalmology department,Faculty of Medicine,Cairo Univesity,Egypt. 2.Magharby Hospitals,Jizan,KSA.
Twenty diabetic cataract patients and twenty age-matched non-diabetic cataract patients as control underwent phacoemulsification. Tear film break-up time (TFBUT) and Schirmer I test(SIT) were measured preoperatively, and postoperatively at day 1,1 week, 1 month, 3 months consecutively. Exclusion criteria for both groups included patients with diagnosed ocular surface disease ,or severe dry eye patients already on treatment for dry eye.
Diabetics had a decreased preoperative TFBUT and SIT. TFBUT was reduced on Day 1 and recovered 3 months postoperatively in both groups. SIT was increased after phacoemulsification, but returned to preoperative levels at 3 months in non-diabetics, However ,it was lower than preoperative level in diabetics.
Tear secretion was reduced in diabetic cataract patients after phacoemulsification, which worsened dry eye symptoms and thus affected the quality of vision. Early administration of topical lubricants in diabetic patients undergoing phacoemulsification may help to relieve the dry eye symptoms accompanying the procedure.