Ophthalmology: Objects 31 - 45 of 65

993.123.1: OphthalmoscopeOphthalmoscope, 1885-1930 A Morton's non-luminous ophthalmoscope with a chain-of-lenses; a fixed disc at the top which contains 4 inset lenses and encases 29 other lenses which can be revolved turning the lower brass disc. The middle disk indicates the strength of the lens in the sight-hole. On the reverse side are 2 circular mirrors [flat and concave], which are fixed to a plate that can be rotated around a central pivot. The ophthalmoscope, which screws into an ivory and brass handle, is marked 'MORTON'S OPHTHALMOSCOPE MEDICAL SUPPLY ASSOCN AGENTS FOR CURRY & PAXTON LONDON'. Case missing.
993.127.1: OphthalmoscopeOphthalmoscope, 1900-1927 Self-luminous ophthalmoscope Simplex No.110 by instrument maker Henry DeZeng in blue velvet lined case. An encased revolving disc contains 19 lenses, with a lever on the mirror side that fixes its position, the mirror is tilted. 'DeZeng' is stamped into handle, 'MADE IN U.S.A.' and patent dates 'PAT 12.21.15, 7.18.22' are stamped into the mirror side of the ophthalmoscope and 'WELLSWORTH DEZENG' and 'Simplex No.110' are stamped into the other side. A cirular metal foil disc is attached to the lid lining with the makers details in relief. One lamp bulb is missing. Dimensions given are for...
993.125.1: OphthalmoscopeOphthalmoscope, 1885-1930 A Morton's non-luminous ophthalmoscope with a chain-of-lenses; a revolving disc at the top which contains 4 inset lenses and encases 29 other lenses which are adjusted by the lower brass disc. The middle disk indicates the strength of the lens in the sight-hole. On the reverse side are 2 circular mirrors [flat and concave], which are fixed to a plate that can be rotated around a central pivot. The base of the ivory and brass screw-on handle rotates to test colour vision. The ophthalmoscope is marked 'MORTON'S OPHTHALMOSCOPE CURRY & PAXTON LONDON'. Case missing.
993.121.1: OphthalmoscopeOphthalmoscope, 1885-1920 Morton's non-luminous ophthalmoscope in an embossed leather case. The ophthalmoscope has a chain-of-lenses; a rotating disc at the top which contains 4 inset lenses and encases 29 other lenses which can be revolved by turning the lower brass disc. The middle disk indicates the strength of the lens in the sight-hole. On the reverse side are 2 circular mirrors, which are fixed to a plate that can be rotated around a central pivot. The larger mirror is on a spring hinge and the smaller mirror is oblique. The ophthalmoscope, which screws into an ivory and brass handle, is stamped 'MORTON'S...
998.10.2: OphthalmoscopeOphthalmoscope, 1885-1930 A non-luminous ophthalmoscope with a revolving single lens disc which encases 18 lenses with supplementary four-lens quadrant attachment. On the reverse side are 2 circular mirrors [flat and concave], which are fixed to a plate that can be rotated around a central pivot, plus the smaller concave mirror can be rotated by its disc backing. The ophthalmoscope is marked 'CURRY & PAXTON LONDON'. Gold lettering 'CURRY & PAXTON' on lid lining. The lens held in the lid is missing. Dimensions given are for closed case.
993.124.1: OphthalmoscopeOphthalmoscope, 1885-1930 A non-luminous ophthalmoscope with a fixed disc at the top which contains 4 inset lenses and encases 29 other lenses which can be revolved turning the lower brass disc. There are 2 circular mirrors on the reverse side fixed to a plate that can be rotated around a central pivot, the larger mirror is on a spring hinge and the smaller mirror is oblique. The manufacturer's details 'DOWN BROS LONDON' and 'PATENT' are stamped into the surface. Case missing.
993.1009.1: Ophthalmoscope in CaseOphthalmoscope in Case, c. 1880 Non-luminous ophthalmoscope with ebony screw-on handle and lacquered brass stem, 5 small indirect lenses of varying thickness and 1 larger hand held lens in an embossed leather case lined with blue velvet and internal metal strip borders. The ophthalmoscope has an inset perforated reflective glass disc and a lens clip which folds out from a side hinge on a short arm. Manufacturer's details 'PAETZ & FLOHR U.d. LINDEN 13. BERLIN OPTIKER & MECHANIKER' are printed in gold lettering on a leather label attached to the lid lining. Dimensions given are for case only. 1 hand held lens is missing.
993.971.1: Phoria MeasurePhoria Measure, 20th Cent. Hand held ‘Monocular Maddox Phoria Measure’ designed to measure Anisophoria which is the change in the phoria away from the primary position. The measure combines a large 25mm aperture, a red Maddox rod disc mounted perpendicular to the integral handle in a 10PD prism which can be rotated from the side by an adjusting wheel. When the handle is vertical, Maddox Rods are horizontal and the patient sees a vertical streak. When the handle is horizontal, Maddox Rods are vertical and the patient sees a horizontal streak. A scale from 0 - 10 prism diopters indicates the measure of...
993.340.1: Pince-NezPince-Nez, 1890-1940 'Astig' framed pince-nez with oval eyes and corrective lenses. Telescopic spiral spring bar bridge and pivoted plaquets with full length cork nose pads. Small loop handle. 'NG P' [P inside box] stamped into bridge.
993.339.1: Pince-NezPince-Nez, 1880-1940 Gold plated framed pince-nez with half eye lenses, C-spring bridge, fixed plaquets with full-length cork nose pads. Small ring handle.
993.336.1: Pince-NezPince-Nez, 1900-1940 Gold-filled ['G.F.' stamped into inner surface of nose bridge] finger-piece frame with rimless oval lenses. Spring operated plaquets, white nose pads with cross-hatch striations to give better grip covering half the plaquets. A gold chain and single ear hook is attached to the right-side lens.
993.315.1: Pince-NezPince-Nez, 1880-1940 Steel framed pince-nez with corrective oval lenses, C-spring bridge and large plaquets sprung from the top with nose pads that have striations to give better grip. Elaborate loop handle with post.
993.354.1: Protective Goggles & CaseProtective Goggles & Case, 1851-1900 Protective traveller's goggles in an oval-shaped copper-coloured plated steel container with hinged lid. The goggles have wire mesh eyecups and holes at sides for attaching the ear cords. Rudimentary cord bridge. Oval eyes, glazed with clear glass lenses. Goggles dimensions given.
995.4.74: Pseudo-Isochromatic PlatesPseudo-Isochromatic Plates, 1905-1953 R.C.A.F. modification of the Ishihara Colour Test for protan and dutan defects. Consisting of 25 coloured Pseudo-Isochromatic plates. The plates are held in a slip sleeve box contained in an outer case. The test consists of coloured plates on black cards, each of which contain small coloured dots varying in size, colour and intensity. Within the pattern are dots which form a number visible to those with normal color vision and invisible, or difficult to see, for those with a color vision defect. The card number and dot number are given on the reverse side of the card in silver print.
993.302.1: Railroad GogglesRailroad Goggles, 19th Cent. Protective goggles with metal mesh eyecups. Oval eyes, glazed with smokey glass, non-corrective lenses, joined by string bridge. Incomplete, cord missing.