Diplopia and Strabismus in Diabetics (Type II) and Non-diabetics in Yazd, Iran

Purpose: To describe the frequency of diplopia and strabismus in diabetics (Type II) and non-diabetics in Yazd, Iran.

Methods: This is a cross-sectional study on 3000 patients including 1500 diabetics (type II) and 1500 non-diabetics in Yazd from 2011 to 2012.Based on aims, a questionnaire was designed and data including, demographic data, duration of diabetes, presence of diplopia or strabismus, duration of them, and involved cranial nerves were gathered and documented. Data were analyzed by SPSS (ver. 16) using descriptive statistics, chi-square, fisher and T tests.

Results: Diplopia existed in 6(0.4%) diabetic and 13(0.9%) non-diabetic patients, without statistically significant difference (p-value=0.107). Strabismus existed in 6(0.4%) diabetic and 10(0.7%) non-diabetic patients, without statistically significant difference (p-value=0.316).Mean duration of diabetes was 11±7.42 years. There was no statistical difference between the two groups in terms of gender. Sixth nerve palsies were accounted for the majority of patients with strabismus in the two groups.

Conclusion: There was no statistically significant difference in frequency of diplopia and strabismus between diabetics and non-diabetics.