Hygiene of the Eye

Hygiene of the Eye

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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. 1918 edition. Excerpt: ...The pupil becomes contracted and the blood-vessels surrounding the cornea are much congested, though those of the con unctiva also take part in the congestion. Pain is aconstant symptom, usually most aggravated as night approaches. There is no discharge from the con unctiva, though increased lachrymation is easily excited by exposure to light or any other form of irritation. The interstitial portion of the cornea usually participates in the inflammation, and produces a diffuse haze of that membrane. The ciliary body also rarely escapes and the neighboring portions of the choroid show implication. The causes of iritis are varied. Some form of constitutional disease or inflammatory focus elsewhere in the body is generally responsible. Acquired syphilis probably occasions more than half of the cases. The so-called secondary stage of the disease is particularly apt to be complicated by iritis, about the same time as the characteristic rash breaks out upon the skin; more rarely iritis appears in the tertiary period, in which event solid rounded masses or nodules, the so-called gumma of syphilis, appear either in single or multiple form upon the iris. Articular rheumatism is also accompanied by iritis, this being especially the case when a gonorrhoeal element is present. The causal connection between gonorrhoea and iritis is often overlooked in consequence of the long lapse of time which frequently occurs between the appearance of the ocular manifestation and the primary attack of gonorrhaea. The gonorrhoeal virus may, however, remain dormant somewhere in the genito-urinary system for years. and though incapable of exciting local irritation in the genitalia may be absorbed by certain membranes of the body, such as the joints and iris. Iritis...
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Product details

  • Paperback | 86 pages
  • 189 x 246 x 5mm | 168g
  • United States
  • English
  • black & white illustrations
  • 1236970713
  • 9781236970718