Text-book of ophthalmology . hat a positivedistinction between the two can be made only by examining excised pieces ofconjunctiva. Finally, calcification or ossification may take place in the degeneratedmucous membrane. The disease attacks people in middle life, and ordinarily both eyes are frequently amyloid degeneration is preceded by trachoma of the conjunctiva,which, however, should not be regarded as the cause of the affection, inasmuch as thelatter can develop in eyes that previously were healthy. The actual cause of the diseaseis not known. In every instance it is a purely
Text-book of ophthalmology . hat a positivedistinction between the two can be made only by examining excised pieces ofconjunctiva. Finally, calcification or ossification may take place in the degeneratedmucous membrane. The disease attacks people in middle life, and ordinarily both eyes are frequently amyloid degeneration is preceded by trachoma of the conjunctiva,which, however, should not be regarded as the cause of the affection, inasmuch as thelatter can develop in eyes that previously were healthy. The actual cause of the diseaseis not known. In every instance it is a purely local process, for the individuals attackedby it are sound as far as the rest of the body is concerned, and do not suffer from amyloiddegeneration of the internal organs, with*which, therefore, amyloid degeneration of theconjunctiva has nothing at all to do. Medical treatment is powerless against this disease. We must confine ourselves toremoving the growths upon the conjunctiva to such an extent that the fids can be opened. 208 TEXT-BOOK OF OPHTHALMOLOGY and vision thus rendered possible. It is by no means necessary—indeed it is not at alladvisable—to remove by a radical operation all the diseased parts, since the portion ofthe growth that is left behind generally atrophies of itself afterward. Conjunctivitis Petrificans.—Leber describes under this name a disease in whichwhite spots appear in the conjunctiva which are produced by the deposition of lime andfrom which ulcers develop whose floor is rendered white and hard by lime deposits. Thisdisease drags on for years with frequent remissions, and produces adhesion of the lids tothe eyeball. VIII. Tuberculosis of the Conjunctiva 169. In the conjunctiva tuberculosis ordinarily appears under theguise of ulcers. Tuberculous ulcers are located as a rule in the tarsal con-junctiva. The diseased lid even on external inspection looks everting the lid there appears upon its conjunctival surface an ulcerwhich is eith
Size: 2028px × 1233px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjecteye, booksubjectophth
