<unk> (conjunctiva) can be diagnosed without need for a specific exam, however corneal topography is a practical test (technique) as the condition worsens. Differential Diagnosis<unk> should be differentiated from pinguecula, which is histologically and etiologically similar to<unk>  Unlike<unk>  pinguecula is seen only on the conjunctiva, it will not progress to limbus or cornea. Another condition which is similar to<unk> is inflammatory adhesion of conjunctiva to cornea known as pseudopterygium. Unlike<unk>  it may occur anywhere around cornea and the adhesion is usually limited to its apex.
Pterygium 
Maxilla
Dipygus
Periorbita
Tophus
Ipas 
Nasolabial fold
Oral torus