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Description: | OPHTHALMOSCOPE LANDOLT (embossed on the lid of the case) CONCAVES 7.5a10.5 4 a 7 0.5a3.5 0 a 3 3.5a6.5 7 a 10 and an upward pointing arrow (embossed in white on the frnot face of the instrument) CONCAVES and a downward pointing arrow (embossed in white on the rear face of the instrument)
scale from 0,5 to 10,5 in increments of 0.5 (in three rings on the surface of the disc with lenses) scale from 0 to 10 in incremements of 0.5 (in three rings on the reverse of the same disc with lenses) A.CRETES 20 (engraved on the surface of the bottom-most black disc) 20 (engraved on the top-most black disc) scale from 90 to 0 to 90 in increments of 10 (embossed in white around half the circumference of the stenopaic disc) -10 (embossed in white on the disc with a large centre hole) Tow sets of 6 parallel black lines perpendicular to one another (printed on one side of the card disc) DES Landolt? first half of 20th century This is a small, pocket-sized ophthalmoscope contained within its own velevet-lined case. The instrument itself disassembles to fit into the case; the bone handle unscrews and the accessories all have their own slots in which they nestle. The additional parts included are a retinoscope mirror, a stenpaic disc, a convex lens and a disc with a hole in it. This instrument was used to illuminate the interior of the eyeball and rendring it visible throught the pupil. Light is reflected from the mirror into the eye and the observer inspects through a small hole in the centre of the mirror furnished with changeable lenses. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | OPHTHALMOSCOPE : OPTOMECHANICAL : OPTICAL : EXAMINATION : EYE : RETINA : MIRROR : LANDOLT : OPHTHAMLOGY : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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