Blind and partial sight registration in Avon.

Grey, R. H. B.; Burns‐Cox, C J; Hughes, Anthony

doi:10.1136/bjo.73.2.88

Cited by 120 publications

(59 citation statements)

References 4 publications

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“…Registration for blindness and partial sight Owing to ARMD appears to be increasing as a proportion of overall registrations (Sorsby 1955(Sorsby -1960 26.9%; Ghafour 1980: 29.8%; Avon study [1985][1986]: 49%; present study 1996-1997: 52.4%). 1,2,5,10 In the present study, as age increases, the number of patients registered blind per 100 000 population Owing to ARMD increases from 39.3 in the age group 65-to 74-year olds to 288 in 85-year olds and over.…”

Section: Discussionmentioning

confidence: 84%

Causes of blindness and visual impairment in the West of Scotland

Bamashmus

Matlhaga

Dutton

2004

Eye

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Aims To determine the overall reported incidence and causes of registrable blindness and visual impairment in the West of Scotland and any trends that have occurred in the previous 16 years since data from the same area were published. Methods Data for analysis were obtained from BP1 registration forms returned to the Resource Centre for the Blind serving the Strathclyde region in the West of Scotland between 1 April 1996 and 31 March 1997. Results A total of 1595 visually handicapped people were registered during the study year. Of these, 99 forms (6.2%) were excluded from further analysis because of insufficient information. The remaining 1496 completed BP1 Forms were in respect of 530 males and 966 females. Of these, 253 males and 450 females were legally blind (total 703 or 47.0%) and 277 males and 516 females were partially sighted (total 793 or 53.0%). The five leading causes of blindness, in decreasing frequency, were age-related macular degeneration (ARMD), glaucoma, diabetic retinopathy, myopic degeneration, and optic atrophy. ARMD and diabetic retinopathy were the most common causes of blindness in those over 65 years and persons of working age, respectively. Conclusions In adults, cataract is no longer a significant cause of registrable visual impairment. The proportions of registrations owing to glaucoma, diabetic retinopathy, and myopia have not significantly changed since 1983 and the proportion owing to macular degeneration has increased. In children, congenital glaucoma, cataract, and corneal infection were no longer causes of registration, but impairment of vision caused by brain damage is now a significant contributor.

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Section: Discussionmentioning

confidence: 84%

Causes of blindness and visual impairment in the West of Scotland

Bamashmus

Matlhaga

Dutton

2004

Eye

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“…Studies showing that blindness from glaucoma occurring at an increasingly later age attribute this to an improvement in glaucoma treatment methods. 8,13 It has been estimated that the mean time from initial visual field defect to death was 12.8 years in white European patients, suggesting that in the majority of treated glaucoma patients, the rate of progression of visual field loss should not lead to blindness in their lifetime. 14,15 Our results confirm that the majority of treated POAG patients in Norfolk will not go blind before death.…”

Section: Discussionmentioning

confidence: 99%

“…[3][4][5][6][7] It is estimated that glaucoma is the second leading cause of visual loss worldwide, and is responsible for up to 17% of blind and partial sight registration in the United Kingdom. 1,[8][9][10][11] A newly diagnosed POAG patient will have concerns about the future. Will their eyesight remain good enough to retain their driving licence?…”

Section: Introductionmentioning

confidence: 99%

Lifetime visual prognosis for patients with primary open-angle glaucoma

Ang

Eke

2006

Eye

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Aim To investigate final visual outcome in primary open angle glaucoma (POAG) including low-tension glaucoma (LTG). Methods Retrospective review of case notes for patients who died between 1999 and 2002. All were booked for a follow-up appointment in glaucoma clinic at time of death. Results A total of 121 case notes were reviewed. In all, 113 patients had POAG and eight had LTG. All were White Caucasians. Mean ages at presentation and death were 74.6 (SD 9.6, range 49-94) and 81.9 (SD 8.3, range 51-98) years, respectively. Mean follow-up duration was 7.4 (SD 6.8, range up to 29) years. Average number of clinic visits was 18 (SD 17, range 1-95). At final visit, 50.4% had cataract operations, and 45.5% had glaucoma operations. At final visit, vision was inadequate for driving in the UK in 47.1%. In 18.2%, this was due to glaucoma alone, while in 28.9%, other ocular pathologies contributed to poor vision. In all, 14% were eligible for partial sight certification, with 6.6% due to glaucoma alone. A total of 3.3% were eligible for blind certification, none due to glaucoma alone. Conclusion This study shows that POAG does affect the quality of life, with regards to glaucoma clinic visits, eye drops, and surgical procedures. Most patients with treated POAG in Norfolk will retain useful vision for their whole life. A significant proportion of patients with POAG do lose vision resulting in driving ineligibility and certification as visually impaired, although actual blindness is uncommon.

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“…A ge-related macular degeneration (AMD) is the leading cause of acquired blindness among the elderly in the developed countries (Leibowitz et al 1980;Klein & Klein 1982;Martinez et al 1982;Ferris 1983;Cullinan 1987;Ghafour et al 1988; Thompson & Rosenthal 1989;Grey et al 1989). Tears of the retinal pigment epithelium (RPE) have been described as a variance of presentation or as a complication of AMD (Hoskin et al 1981;Coscas et al 1982;Cantril et al 1983;Decker et al 1983;De Laey & Riems 1984;Green & Yarian 1983;Tutein Noltenius & Deutman 1985;Krishan et al 1985;Giovannini et al 1987;Haller Yeo et al 1988;Nisha et al 1995).…”

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confidence: 99%

Indocyanine green angiography of retinal pigment epithelial tears

Giovannini

Scassellati-Sforzolini

Lafaut

et al. 1999

Acta Ophthalmologica Scandinavica

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ABSTRACT.Purpose: To investigate the fluorescein and indocyanine green (ICG) features before and after retinal pigment epithelial tear. Methods: Fluorescein and ICG videoangiography were performed in 30 patients affected by age-related macular degeneration either complicated by tear of the retinal pigment epithelium (25 eyes) or by pigment epithelial detachment with pretear characteristics (5 eyes). Results: At the pretear stage fluorescein angiography (FA) showed in all cases signs of occult CNV associated with delayed, slow and uneven filling of the pigment epithelium detachment. In 2 eyes the ICG filling of the retinal pigment epithelial detachment was seen. Progression to the tear stage was seen in 4 eyes where a CNV was evident on ICG angiography; in two eyes within one month after laser photocoagulation. At the tear stage FA showed an area of marked hyperfluorescence with well defined margins. Adjacent to the exposed area the torn RPE was markedly hypofluorescent during all angiographic phases. The bare choroid was always hypo or normofluorescent on ICG angiography. The torn retinal pigment epithelium showed moderate hypofluorescence. The exact seat and extension of CNVs could be visualized in 20 cases (67%; 95% C.I., 50-84%) with ICG angiography vs. 6 cases (20%; 95% C.I., 6-34%) with FA (p∞0.001). Conclusions: ICG angiography did not add anything substantial to the analysis of frank tears. The most useful application of ICG angiography in this disease is the visualization of the seat and extension of the associated CNV. In fact, it is well known that laser treatment of a pigment epithelial detachment at the pretear stage may facilitate the development of a tear of the RPE.

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Blind and partial sight registration in Avon.

Cited by 120 publications

References 4 publications

Causes of blindness and visual impairment in the West of Scotland

Causes of blindness and visual impairment in the West of Scotland

Lifetime visual prognosis for patients with primary open-angle glaucoma

Indocyanine green angiography of retinal pigment epithelial tears

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