Model eyes were used by students to practise skills of ophthalmoscopy and retinoscopy. This item shows more variety of fundus view and refractive state than most.This fine example is preserved in excellent condition, perhaps through lack of use. It is the most complex of the five model eyes in the collection.Cased metal model eye for teaching ophthalmoscopy and retinoscopy. 17 numbered interchangeable fundi illustrating various pathological conditions. Double cell lens holder in front can hold lenses for retinoscopy. Axis scale on front. 6 lenses provided to simulate various refractive states. Rotating disc changes between 3 pupil sizes. Model eye, fundi samples & lenses enclosed in snap closing wooden case, covered in black leatherette and lined with burgundy velvet.Inside case:'F.DAVIDSON & Co,/ 29 GREAT PORTLAND STREET,/ LONDON, W/ DUNN'S MODEL EYE'optometry, ophthalmology, model eye, teaching, ophthalmoscopy, retinoscopy