May ophthalmoscope 'Improved' head only

Catalogue Number: 4065
May ophthalmoscope 'Improved' head only
Category: Equipment
Sub-Category: Ophthalmoscope
Designer/inventor: Charles H May
Year Of Publication/Manufacture: c 1950
Time Period: 1940 to 1999
Place Of Publication/Manufacture: United Kingdom
Description Of Item: May-type ophthalmoscope head, black enamel metal, missing chrome stem to hold the lamp. Rotating disc with milled edge holding correcting lenses the power of which is displayed directly below the viewing aperture. Marked on front 'MAY OPHTHALMOSCOPE IMPROVED' and '5343'. No maker's mark' but some British Klinostik May ophthalmoscopes are numbered in this fashion. Dimensions 72 x 44 x 17 mm.
Historical Significance: May designed this improved ophthalmoscope in 1915. The improvement was to the illuminating optics. See May C H The May Electric ophthalmoscope. Trans Am Ophthal Soc 1915; 14: 165-167. Charles Henry May (1861-1943) was a New York ophthalmologist who wrote 'May's Manual of Diseases of the Eye for students and practitioners' first published 1900 and which ran to 22 American Editions and many other editions in other countries and languages. See his obituary Snyder C Arch Ophthal 1961 142-1943.
How Acquired: Donated by ACO Clinic
Date Acquired: May 2019
Condition: Good
Location: Archive Office. Cabinet One Drawer 10

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