Which of the following is true regarding pterygium?
Ans: a (Occurs in inter palpepbral fissure mostly on nasal side)Ref: Parson, pg. 175-176Pterygium is a degenerative condition of the subconjunctival tissue which proliferates to invade the comea.lt usually involves the nasal side. When double, both nasal and temporal region is involved.Aetiology: Exposure to sun (UV radiation) Dry heat High wind Abundance of dustPterygium should be distinguished from a pseudoptyerygium which is an inflammatory process (by passing a probe underneath the neck of pseudo pterygium.)
Occurs in inter palpepbral fissure mostly on nasal side
Dual pterygium is located superiorly and inferiorly
Infective in etiology
It is not associated with UV radiation
Conjuctiva