Retina, cysts of, 65, 70, 73 dots on, 68 dots on, frequency of, 68 dots on, pathology of, 69 Retinal changes ascribed to couching, 30 Retinal detachment, 28, 29, 64 causes of, 64, 65, 66 due to operative traumatism, 68 stick-like, 65 Retinal pigment, changes found in, after cataract-extraction, 32 Retinal pigment, changes in, found in couched eyes, 31, 32 Retino-corneal synechia, 46 S Sandalwood paste, 17 Scarpa, 7 Scarpa’s needle, 8 Sclera, scars of, 49, 78 Scleral fistula, 50 Smith, H., 11, 22, 26 Social status of couchers, 22 Sprengel, 1 Statistics of couching, author’s, 11, 22, 25, 26 Kirkpatrick’s, 11, 25 Maynard’s, 10, 22 Straub on experimental hyalitis, 61 Subretinal exudate, 67 Suction of cataract, 7 Suppression of couching, 34 Sympathetic ophthalmia, 29, 55 T Tabri, 2 Technique of couching, Abu el Kasim, 4 Avicenna, 4 Bartisch, 5 Benvenuto, 4 Brisseau, 7 Celsus, 2, 3 Indian operators, 10, 14, 16, 25 Mackenzie, 7 Thorn used in couching, 14 Tobit, recovery of sight of, 1 Transillumination of couched eyes, 80 U Uveal coat, calcification of, 55 Uveal tract, injuries of, 50 Uveitis, plastic, 52 Uveitis, proliferative, 55 V Visual results after couching, 27 Visual results of couching and extraction compared, 28 Visual tests employed by couchers, 16 Vitreous body, infiltration of, 59 Vitreous chamber, 56 cone of exudate in, 30, 43 cone of exudate in, altered artificially, 60 cone of exudate definitely pathological, 60 filmy exudate in, 62 Vitreous exudate, fibrous organisation of, 59, 64 Vitreous opacities, 28 W Ware, James, 7 Willburg, 7 H. K. LEWIS & CO. LTD., GOWER STREET, LONDON, W.C.