Literature relative to vernal conjunctivitis presents several points about this interesting disease which have greatly attracted my attention.It is common knowledge that the condition manifests itself in children and is seldom found in persons over 20; that its periods of exacerbation begin in the spring; that it is characterized by photophobia, itching and slight catarrhal manifestations, and that it affects both the tarsal conjunctivas and the corneoscleral limbus. The tarsal conjunctiva begins to turn whitish, and in some cases floor tile—shaped or mosaic-shaped granulations are formed. In other cases the corneoscleral limbus becomes thicker, especially that part corresponding to the palpebral fissure. These clinical manifestations may appear either isolated or jointly; in the latter case the mixed form of vernal conjunctivitis is present. A great number of eosinophils are found in the scant secretion of the conjunctivas, and tests of the blood also show an increase in eosinophils.
ALAMILLA G. HYPERTROPHY OF THE THYMUS IN VERNAL CONJUNCTIVITIS. Arch Ophthalmol. 1940;23(6):1231–1242. doi:10.1001/archopht.1940.00860131389012
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