Posters

Certification of vision impairment : A one year study of demographics and aetiology in a district general hospital (DGH) in the UK

Poster Details

First Author: R.Bafiq UK

Co Author(s):    M. Azzaruk   A. Yousif   S. Shafquat                       

Abstract Details



Purpose:

The recording of Blind people was established in Britain as early as 1851 and the reporting of aetiology of low vision began in 1950. We wanted to analyse the demography and leading causes of sight impairment (SI) and severe sight impairment (SSI) at our hospital.

Setting:

Department of Ophthalmology, The Dudley Group of Hospital NHS Trust, Dudley, UK

Methods:

This study looked at the data for a period of one year from 1st August 2015 to 30th of July 2016. Information was collected prospectively from the standard CVI (Certificate of vision impairment) form and transferred to an Excel database.

Results:

There were 178 patients with 50% registered as sight impaired and 50 % as severely sight impaired. 169 (95%) of them were Caucasians and the rest were of Asian, African-Caribbean and Arab Ethnicities. 62 % were females and 38% were males. The median age was 76.9 in SI group (range 6 -100) and 76.5 in SSI group (range 2-99). 75% of SI group had a single aetiology and 25% had multiple causes. In the SSI group, 68% had single and 32% had multiple pathologies.71% of both SI and SSI group were of seventy five years of age or above. 63% of SI group had Degeneration of macular and posterior pole, followed by hereditary retinal disorder, iabetic retinopathy or maculopathy (DR/DMO), glaucoma and cerebrovascular disease (CVA) 8.2%, 8%, 5%, 5% respectively. 58% of SSI group were registered due to degeneration of macular and posterior pole. Glaucoma, DR/DMO, Optic atrophy and disorders of visual cortex contributed by 15%, 6%, 4%, 4% in reducing order.

Conclusions:

Degeneration of macular and posterior pole, hereditary retinal disorder, diabetic retinopathy and maculopathy, glaucoma and CVA were identified as the leading causes of CVI registration in SI group. Degeneration of macular and posterior pole, glaucoma, DR/DMO, optic atrophy and disorders of visual cortex were the commonest cause in SSI group during this study period. Degeneration of macular and posterior pole due to wet and dry Age-related macular degeneration was the main aetiology for vision impairment in both SI and SSI groups. This result is comparable to the latest published national data of the UK. We recommend a larger scale study over a longer period of time to analyse the trends in changing aetiology.

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