Screening for Diabetic Retinopathy in Chiang Rai Using Nonmydriatic Fundus Camera-การคัดกรองเบาหวานเข้าจอตาในจังหวัดเชียงรายด้วยกล้องถ่ายภาพจอตา โดยไม่ขยายม่านตา

Abstract

         The purposes of this study were to determine the prevalence of diabetic retinopathy in Chiang Rai, to screen for diabetic retinopathy in Chiang Rai using nonmydriatic fundus camera and to follow the referred patients to ophthalmologist inChiangRaiRegionalHospital.

          The method of this study were retrospective descriptive study.   Medical records of diabetic retinopathy patients in Chiang Rai Regional Hospital between November 15,2007 and March 31,2008 with screening for diabetic retinopathy using nonmydriatic fundus camera between November 15,2007 and January 17,2008 and have diabetic retinopathy up to mild to moderate NPDR were reviewed.

            The prevalence of diabetes mellitus in Chiang Rai was 1.83 percent and diabetic retinopathy in Chiang Rai using nonmydriatic fundus camera was 27.10 percent. 3,833(17.05%) diabetic patients in Chiang Rai were screened for diabetic retinopathy using nonmydriatic fundus camera.   In all, 384 patients of diabetic retinopathy up to mild to moderate NPDR were referred to ophthalmologist inChiangRaiRegionalHospital.   Only 86 patients attended to ophthalmologist.   There were 25 males and 61 females,with in 1-3 months and visual acuity is 20/20-20/50 (65.69%).   There were 11.63 percent withNo DR, 83.14 percent with NPDR and 5.23 percent with PDR.  Most of them treated inChiangRaiRegionalHospital.  Only 4 patients refered to retinal specialist.  Screening for diabetic retinopathy in Chiang Rai using nonmydriatic fundus camera is appropriated for diabetic patients in Chiang Rai due to lack of ophthalmologist.

Key words:  diabetic retinopathy, nonmydriatic fundus camera