Retinitis Pigmentosa, with an Analysis of Seventeen Cases Occurring in Deaf-Mutes (Paperback)

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 edition. Excerpt: ...clear, no lacrimal disturbance; pupils rather small; irides functionally active. Ocular movements full. Fundus Ea'amination.--O2 Media clear, disks and retina atrophic; vessels small; extensive pigmentation around periphery; pigment is of the bone corpuscle Fields.--O2 Concentrically reduced for 10 m. white and red; ahnost entire field is within 10. Central color perception for 2 mm. object good. CASE VII.--E. G. C. F., male, age eighteen years. Deafness congenital and total. Family History.--Parents second cousins; father born in Ireland. Mother born in England. Eleven children born, respectively, in 1874, 7 5, 7 7, 79, 80, 82, 84, 86, 88, 91, 94. Those born in 82, 88, and 91, died at 14 days, 18 months, and 11 months, respectively. Those born in 74 and 84 are deaf, 84 being the present case. Personal H istory.--Seems to be mentally deficient; impossible to get satisfactory results from tests; has had typhoid fever and measles. Emternal Ewamination.--Conjunctiva clear; nothing expressed from canaliculi. Pupils equal, irides functionally active. Ocular movements full in all directions. Fundus Ewamination.--O.D. Media clear; disk margins blurred; and retina atrophied. Vessels are small; general pigment absorption with wandering into retina mostly at equator. O. S.--Fine opacities in anterior vitreous. Fundus otherwise as in O.D. V ision.--Not recorded. Fields.--Impossible to record. CASE VIII.--E. V. F., female, age eight years. Deafness congenital and total. Family H istory.--Father and mother born in Pennsylvania; not related; no deaf relatives. Five children, first dead at two and a half years. Patient is fourth and is the...