Very few immunological studies in vernal catarrh have been conducted in India and abroad, but none in Himachal Pradesh in spite of its high incidence in the State. In the present study 25 patients of vernal catarrh residing at a height ranging between 1000 to 2500 meters above mean sea level have been evaluated. Their immunological status of serum and tears after detailed clinical assessment was studied by single radial immunodiffusion technique of Mancini et al. The values of serum IgA and IgM were significantly higher in patients than in controls. The serum IgE level had no significant difference. The IgG was significantly lower in patients with vernal catarrh. The values of tear IgM, IgE and IgA in these patients were significantly higher than in controls. However, in no case or control group C3C and C4 were detected in tears. The limbal type of vernal catarrh was found to be the most common in this part of the country. No mixed case was seen. Derangement of the immune system in the pathogenesis of vernal catarrh is suggested.

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immunological single radial immunodiffusion technique of mancini et vernal

R, Bisht A, Goyal T, Singh B K, Goyal,.Clinico-immunological aspects of vernal catarrh in hilly terrains of Himachal Pradesh.. 40 (3),79-82.

R, Bisht A, Goyal T, Singh B K, Goyal,"Clinico-immunological aspects of vernal catarrh in hilly terrains of Himachal Pradesh." 40

R, Bisht A, Goyal T, Singh B K, Goyal,"Clinico-immunological aspects of vernal catarrh in hilly terrains of Himachal Pradesh."