This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Features of vernal conjunctivitis are –a) Shield ulcerb) Horner–Trantas spotsc) Papillary hypertrophy d) Herbert pitse) Pannus 
Select and explain. 
A. ab, B. bc, C. abc, D. bcd
C: abc
Answer: C: abc 
Explanation: Conjunctival signs of spring catarrh

.Palpebral form: Papillary hypertrophy, cobblestone appearance (Pavement stone appearance).
Bulbar form: Dusky triangular congestion, gelatinous thickening around limbus, Horner - Tranta's spot. Corneal signs (vernal keratopathy)


Punctate epithelial keratitis
Ulcerative vernal keratitis: shallow transverse ulcer (Shield ulcer)
Vernal corneal plaques
Subepithelial scarring
Pseudogerontoxon: characterized by a classical "cupid's bow" outline.