Keratoscope
id:
keratoscope-252-16509036
title:
Keratoscope
text:
A keratoscope, sometimes known as Placido's disk, is an ophthalmic instrument used to assess the shape of the anterior surface of the cornea. A series of concentric rings is projected onto the cornea and their reflection viewed by the examiner through a small hole in the centre of the disk. A regular-shaped cornea should show equally spaced symmetric reflections. If the patient is suffering from astigmatism or from a corneal dystrophy, the rings will be distorted. A modern development of the con
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Keratoscope
date created:
date modified:
2022-11-20T22:21:34Z
main entity:
{"identifier":"Q4569979","url":"https://www.wikidata.org/entity/Q4569979"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/23/Placidos_keratoscope_10.JPG","width":2048,"height":1305}
fields total:
13
integrity:
14