Rates of referable eye disease in the Scottish National Diabetic Retinopathy Screening Programme

Scottish Diabet Res Network, Scottish Diabet Retinopathy, H. C. Looker*, S. O. Nyangoma, D. T. Cromie, J. A. Olson, G. P. Leese, M. W. Black, J. Doig, N. Lee, R. S. Lindsay, J. A. McKnight, Andrew Morris, D. W. M. Pearson, S. Philip, S. H. Wild, H. M. Colhoun

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Aims Diabetic retinopathy screening aims to detect people at risk of visual loss due to proliferative diabetic retinopathy, but also refers cases of suspected macular oedema (maculopathy). At the introduction of screening, ophthalmology was concerned that referral rates would be unmanageable. We report yield of referable disease by referral reason for the first 5 years of the programme.

Methods We extracted screening results from a nationwide clinical diabetes database to calculate annual referral rates to ophthalmic clinics. We used logistic regression to examine associations between clinical measures and referable disease.

Results 182 397 people underwent >= 1 successful retinal screening between 2006 and 2010. The yield of referable eye disease was highest in the first 2 years of screening (7.0% and 6.0%) before stabilising at similar to 4.3%. The majority of referrals are due to maculopathy with 73% of referrals in 2010 based on a finding of maculopathy.

Conclusions The commonest cause for referral is for suspected macular oedema (maculopathy). Referral rates for retinopathy have stabilised, as predicted, at relatively low rates. However, ophthalmology workload continues to rise as new treatment options (ie, monthly intraocular injections) have unexpectedly increased the impact on ophthalmology. A review of the screening referral path for maculopathy may be timely.

Original languageEnglish
Pages (from-to)790-795
Number of pages6
JournalBritish Journal of Ophthalmology
Issue number6
Publication statusPublished - Jun 2014


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