Manual of instructions for the guidance of army surgeons in testing the range and quality of vision of recruits, and in distinguishing the causes of defective vision in soldiers / by T. Longmore.
- Longmore, Sir Thomas, 1816-1895.
- Date:
- [1864]
Licence: Public Domain Mark
Credit: Manual of instructions for the guidance of army surgeons in testing the range and quality of vision of recruits, and in distinguishing the causes of defective vision in soldiers / by T. Longmore. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
90/90 (page 74)
![Test-dots, use of, 30. Test-types, Dr. Snellen’s, 9. principles of arrangement of, 9. . Transmission of light, 2. True size of an object, 4. Types, Dr. Snellen’s, use of, 29. Visible direction, law of, 3. Vision, defective qualities of, 25. defects o^ diagnosis of, 33. distinct, farthest point of, 9. distinct, nearest point of, 8. field of, its determination, 45. I Vision—cunt. field of, its shape, 45. impairment of, from blows, 70. loss of, from blows, 70. perfect, definition of, 1. quality of, 7. quality of in recruits, 28. Visual angle, definition of, 3. size of, 3. Visual examination of recruits, 28. Visual field, objects seen on, 4. Weak vision, 20. LONDON: Printed by Geoege E. Eyee and William Spottiswoodk, Printers to the Queen’s most Excellent Majesty. For Her Majesty’s Stationery Office. [14,033.-1200—4/64.]](https://iiif.wellcomecollection.org/image/b22333526_0092.jp2/full/800%2C/0/default.jpg)