Diagnostic method and system for detecting early age-related macular degeneration, maculopathies and cystoid macular edema post cataract surgery

摘要

A retinoscopic device, technique and scale for estimating the reflectance of the macula pigment optical density (MPOD) in normal and abnormal eyes in order to detect early pathology of the retinal pigment epithelium and photoreceptors thus screening for macular pathology the most prevalent of which is Age-related Macular Degeneration (AMD) and retinal edema and cystoid macular edema post cataract surgery.

主权项

1. A system for calibrating a retinoscope for detecting age-related maculopathies, said retinoscope having a handle, a lamp housed within a power capsule with a calibration line located thereon, a lens located above the lamp, a thumb-slide for sliding the power capsule housing the lamp up or down, a calibration plate slidably attached to a side portion of the retinoscope proximate to the thumb-slide, said calibration plate being constructed from a flat piece of material having a front surface and a rear surface with at least one parallel calibration line located on the front surface; said system comprising:
a measurement of one's retinoscopic working distance using the retinoscope; the retinoscope being calibrated to emit parallel light rays; the parallel calibration line being aligned on the calibration plate with the calibration line on the power capsule; and the retinscope calibrated to emit parallel light rays being placed at one measured retinoscopic working distance.