Atlas of the external diseases of the eye : including a brief treatise on the pathology and treatment / by O. Haab ; Authorized translation from the German, edited by G.E. de Schweinitz.

  • Haab O. (Otto), 1850-1931.
Date:
1899
Catalogue details

Licence: Public Domain Mark

Credit: Atlas of the external diseases of the eye : including a brief treatise on the pathology and treatment / by O. Haab ; Authorized translation from the German, edited by G.E. de Schweinitz. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    ball which sometimes develops as the result of burns and nlceration. Sometimes the free edges of the lids become adherent to each otlier, in which case the condition is called cmkylu- hl(’])haroi\. The term hlepharophimosis is applied to a condition in .which the palpebral hssure is apparently shortened by the passage of a vertical fold of skin over the outer canthus. The commissure is normal underneath the fold of skin, which can be made to disappear by outward traction with the finger. If the palpebral margins have actually grown together at tlie outer commissure, the condition is more correctly designated as anhyloblephuron. 3. Injuries of the Eyelids. Injuries of the eyelids are very common. The skin in this region is loosely attached to the underlying tis- sues and very extensible, favoring the develoj^ment of severe subcutaneons hemorrhages which cause various dis- colorations, ranging from red to dark blue or black. The lids are swollen, particularly if there is subcutaneons em- p/iy.sema, as in fractures or fissures of the orbital bones, which permit the escape of air from the nasal and other cavities (sinus frontalis, etc.). The thin, nasal wall of the orbit is ])articularly liable to fracture, es])ecially the crib- riform ])late of the ethmoid bone, and the esca])ing air dis- tends tlie lids so that they feel like an emphysematous lung. Sometimes there is protrusion of the eyeball. These symptoms, however, look more alarming than they really are and the ])atient usually escapes with nothing worse than a ‘M^lack eye.” A far greater significance attaches to the subcutaneous hemorrhages caused by fract- ure of the base of the skull (Plate 10). In this accident the blood sometimes is forced forward as far as the eye- lids, and the resulting ccchymosis in the lower part of the ocular conjunctiva and in the lower lid (rarely also in the upper) constitutes an important symptom.