Perimetric severity in hospital-based and population-based glaucoma patients

Clinical & Experimental Optometry : Journal of the Australian Optometrical Association
S Ve RameshLingam Vijaya

Abstract

The aim was to compare the severity of glaucoma among newly diagnosed patients presenting to a hospital-based glaucoma care centre (HBGS: Sankara Nethralaya, Medical Research Foundation) with that of age matched subjects from the population-based Chennai Glaucoma Follow-up Study (CGFS). Newly diagnosed subjects with primary glaucoma from HBGS and age- and gender-matched subjects from the urban arm of CGFS examined during the same time period were included. All subjects underwent comprehensive ocular examinations including Humphrey visual field (HVF: 24-2 SITA Standard). Glaucoma was defined as: an intraocular pressure (IOP) of 22 or greater mmHg in either eye; vertical cup-to-disc ratio (VCDR) of 0.7 or greater or asymmetry 0.2 or more or the presence of focal thinning, notching or a splinter haemorrhage. All subjects had a minimum of three follow-up visits and reliable visual fields. The IOP, vertical cup-to-disc ratio, mean deviation (MD) and pattern standard deviation (PSD) of the Humphrey field measurements at the third follow-up visit of CGFS were compared for assessing the severity of glaucoma with the HBGS group. Forty-seven age-matched subjects from both the study populations were selected. Significantly higher (p = 0.0...Continue Reading

References

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Mar 21, 2006·The British Journal of Ophthalmology·L VijayaC McCarty

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Citations

Feb 7, 2013·Acta Ophthalmologica·Sabina Andersson Geimer

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