Regarding spring catarrh, all of the following statements are TRUE, EXCEPT:

Spring catarrh is a recurrent, bilateral, self limiting allergic inflammation of conjunctiva which occur most commonly during summer. In bulbar form of spring catarrh there is accumulation of gelatinous thickened tissue around the limbus. Signs of spring catarrh: Palpebral form: presence of hard, flat topped, papillae arranged in a cobble stone fashion. Severe cases produces cauliflower like excrescences of giant papillae. Bulbar form: Dusky red triangular congestion of bulbar conjunctiva in palpebral area, gelatinous thickened accumulation of tissue around the limbus, presence of discrete whitish raised dots along the limbus (Tranta's spots). Ref: Ophthalmology By A. K. Khurana page 100.