The Clinical Utility of a Non-Mydriatic Retinal Camera in a Diabetes Clinic

K Johns; J Singer; S Gill; S Kreisman; R Mase; B Antoinette; M Pottinger; HD Tildesley

International Journal of Endocrinology and Metabolism

Research Institute for Endocrine Sciences

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The Clinical Utility of a Non-Mydriatic Retinal Camera in a Diabetes Clinic

Author(s):

K Wesley Johns¹,

J Singer¹,

S Gill¹,

S Kreisman¹,

R Mario Mase¹,

B Antoinette¹,

M Pottinger¹,

HD Tildesley^2,*

1Department of Internal Medicine, Division of Endocrinology, St. Paul's Hospital, University of British Columbia, Canada

2Department of Internal Medicine, Division of Endocrinology, St. Paul's Hospital, University of British Columbia, hught@istar.ca, Canada

International Journal of Endocrinology and Metabolism:Vol. 3, issue 2; 74-79

Article type:Research Article

Received:Jan 01, 2005

Accepted:May 19, 2005

How to Cite:K Wesley JohnsJ SingerS GillS KreismanR Mario MaseB AntoinetteM PottingerHD Tildesleyet al.The Clinical Utility of a Non-Mydriatic Retinal Camera in a Diabetes Clinic.Int J Endocrinol Metab.3(2):74-79.

Abstract

We aim to evaluate a non-mydriatic retinal camera as a safe and efficacious screening tool, for diabetic retinopathy, in diabetes centers.

Materials and Methods: 221 consecutive patients attending a Diabetes Center submitted to retinal photographs using a non-mydriatic camera. Patients were included if they had not had previous laser therapy and if they had a formal ophthalmologic consultation within 6 months of the photography Four endocrinologists reviewed the retinal photographs and recommended an interval (urgent referral, early referral, non-referral) for ophthalmologic assessment. Endocrinologists' grades were compared against the gold standard of ophthalmological findings. The endocrinologists were privy only to the patient's age, type and duration of diabetes mellitus.

Results: Twenty-seven cases were deemed as requiring early referral by the ophthalmologists.The endocrinologists agreed with ophthalmologist referral times in 27, 26, 23 and 27 cases respectively.Two cases requiring urgent referral according to the ophthalmologists were also judged as requiring urgent referral by all endocrinologists.A mean sensitivity of 95.4% (95% CI 88.5%-100%) was attained.

Conclusions: The use of a non-mydriatic camera to determine need for ophthalmologic referral was found to be safe and efficacious, with no serious delays in referral noted. On average this tool can safely defer 53.5% of routine ophthalmologic referrals without any risk to the patient's eyesight.

Keywords

Diabetes Mellitus

Non-Mydriatic Retinal Camera

Screening Tool

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