The Eger Macular Stressometer: pilot study - 26/08/11
Abstract |
Purpose |
To evaluate the sensitivity of the Eger Macular Stressometer (EMS) for early screening of age-related macular degeneration (AMD) in a clinical practice. We examined the null hypothesis that AMD eyes have EMS recovery times (RTs) that do not differ from eyes with cataract, diabetic retinopathy, or glaucoma.
Design |
The design of this study was a nonrandomized clinical trial.
Methods |
Ninety-two eyes from 92 patients with vision 20/80 or better, age 50 and older, of either gender, and any ethnic origin, were recruited into one of four groups: AMD (30 eyes), normal or mild cataract (30 eyes), diabetic retinopathy (16 eyes), and glaucoma (16 eyes). Recovery times were obtained with the EMS, according to manufacturer’s instructions.
Results |
The mean (SD) [median] RT for the AMD group was 11.8 (7.6) [9] seconds, the normal/cataract group 10.0 (4.3) [9] seconds, the diabetic retinopathy group 8.4 (3.0) [8] seconds, and glaucoma group 8.6 (2.4) [8] seconds. Recovery time did not appear to be related to group (P = .58), age (P = .50), visual acuity (P = .52), or sex (P = .23).
Conclusion |
We found EMS RT distributions did not differ between AMD, cataract, diabetic retinopathy, and glaucoma groups. The EMS in its current form is not a sensitive screening tool for AMD. Further testing is needed to examine EMS sensitivity with other macular diseases such as central serous choroidopathy and diabetic macular edema.
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This study was supported by a grant from the Research to Prevent Blindness. |
Vol 136 - N° 2
P. 314-317 - août 2003 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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