Perimetric findings in subjects with elevated myopia and glaucoma.
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Adult↗
Biomedical subjects
P Capris
Publications and source records attributed to P Capris.
Comparison between computerized static perimetry and high-pass resolution perimetry in the follow-up of glaucomatous patients.
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Adult↗
Comparing continuous and stepwise luminance variation in static campimetry using the Grignolo-Tagliasco-Zingirian projection campimeter.
In traditional static perimetry the remarkable precision achieved, resulting mainly from the lack of temporal factors related to latency, largely makes up for the relatively long time required to perform the test. Conversely, the increase in speed of the test and in the information content of the visual field charts counteract the lower precision attained with kinetic perimetry. If the influence of the latency time on responses could be kept at a low value, then adopting a static strategy, based on a continuous rather than discrete target luminance variation for threshold detection, could be justified. For this purpose a luminance variation time sequence designed to reproduce the conditions of the traditional static perimetric test was chosen. The test was performed on the Grignolo-Tagliasco-Zingirian projection campimeter, after comparing its clinical performance with the Goldmann perimeter. These two methods - one based on continuous variation, the other based on discrete target luminance variation - were compared using a 14-subject sample. We conclude that the presentation strategy based on continuous luminance variation can be regarded as a valid alternative to the traditional method.
Adult↗
Optimized macular recovery test for the early diagnosis and risk prediction of retinopathy in diabetics.
The authors present a clinical study on the macular recovery test, in a new optimized version, in normal subjects and in diabetic patients. The discriminating thresholds between normals and retinopathic diabetics and between non-retinopathic and retinopathic diabetics were statistically analyzed.
Adolescent↗
Computerized system for static and kinetic automatic perimetry.
A new automatic perimeter has recently been developed under the supervision of the Perimetry Study Group of the Genoa University Eye Clinic. The main characteristics of this instrument are the following: projected targets; accurate calibration of stimulus size and shape; preliminary measurement of visual acuity and pupillary diameter; automated fixation control based on an optimized television system; static, kinetic, and mixed procedures; screening and diagnostic threshold and suprathreshold strategies; standard and non-standard parameters for stimuli, background, and procedures; user-friendly software; large disk memory for data storage and analysis.
Diagnosis, Computer-Assisted↗