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The Changes in Macular Thickness after Phacoemulsification in Patients with Non-diabetes and Nonproliferative Diabetic Retinopathy
Journal of the Korean Ophthalmological Society ; : 57-64, 2008.
Article in Korean | WPRIM | ID: wpr-43071
ABSTRACT

PURPOSE:

To compare the changes in macular thickeness between non-diabetic group and a mild or moderate nonproliferative diabetic retinopathy group after phacoemulsification.

METHODS:

This study consisted of 32 eyes of 22 patients who underwent phacoemulsification. The non-diabetic group included 20 eyes of 15 patients; the diabetic group (mild or moderate nonproliferative diabetic retinopathy) included 12 eyes of 7 patients. Macular thickness using optical coherence tomography (OCT) and corrected visual acuity were measured before surgery and 1 day, 1 week, 1 month, 2 months, 6 months and 12 months after surgery.

RESULTS:

In the non-diabetic group, the macular thickness increased by 2.8+/-4.2% at 1 week, 5.9+/-4.5% at 1 month, 4.8+/-3.8% at 2 months, 0.6+/-0.8% at 6 months, and -0.3+/-1.2% at 12 months after surgery, while it increased by 4.8+/-5.0% at 1 week, 11.1+/-5.2% at one month, 9.9+/-6.0% at two months, 8.1+/-4.6% at 6 months, 3.9+/-3.5% at 12 months in the diabetic group. The increased amount of macular thickness was significantly higher in the diabetic group than in the non-diabetic group at 1 month, 2 months, 6 months, and 12 months. Visual acuity was not significantly different between the diabetic and non-diabetic groups. In the non-diabetic group, 2 months after the operation, LogMAR below 0.02 (Snellen 0.95) were remained with best corrected visual acuity. Similarly to non-diabetic patients, diabetic patients needed 12 months to reach best corrected visual acuity.

CONCLUSIONS:

Macular thickness increased in both diabetic and non-diabetic groups after phacoemulsification, and the increased amount of macular thickness was significantly greater and lasted longer in the diabetic group compared with the non-diabetic group. In cases of mild or moderate nonproliferative diabetic retinopathy, macular thickness change due to cataract surgery did not influence visual acuity.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Cataract / Visual Acuity / Phacoemulsification / Tomography, Optical Coherence / Diabetes Mellitus / Diabetic Retinopathy / Eye Limits: Humans Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 2008 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Cataract / Visual Acuity / Phacoemulsification / Tomography, Optical Coherence / Diabetes Mellitus / Diabetic Retinopathy / Eye Limits: Humans Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 2008 Type: Article