The rarity of primary tuberculosis of the bulbar conjunctiva justifies the description of a case of this condition. The second case described in this article is an instance not of primary tuberculosis but of the formation and spread of a tuberculoma which are unusual and worthy of record.
The incidence of primary tuberculosis of the conjunctiva varies from 1:3,000 to 1:60,000 cases, of which 20 to 30 per cent are instances of the bulbar variety.1 It is difficult to ascertain whether a tuberculous focus is primary or not. It is a general rule, originating from Axenfeld,2 that progressive pulmonary tuberculosis is antagonistic to the establishment of tuberculosis in the eye. The cutaneous reaction to tuberculin is not entirely specific or dependable, for in some cases of proved tuberculosis the reaction is negative and a positive cutaneous reaction has been described in some cases in which no tuberculosis was
BOSHOFF PH, GRASSET E. TWO UNUSUAL OCULAR TUBERCULOMAS. Arch Ophthalmol. 1945;33(3):209–210. doi:10.1001/archopht.1945.00890150053007
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