TY - JOUR T1 - Impression cytology: implications for ocular surface squamous neoplasia JF - British Journal of Ophthalmology JO - Br J Ophthalmol SP - 157 LP - 158 DO - 10.1136/bjo.2007.116657 VL - 92 IS - 1 AU - Anu Mathew AU - Thomas Stumpf AU - Charles McGhee Y1 - 2008/01/01 UR - http://bjo.bmj.com/content/92/1/157.2.abstract N2 - We read, with great interest, Singh et al.’s1 perspective on impression cytology and its uses in diagnosing ocular surface pathology. The known higher exposure to UV radiation in both Australia and New Zealand, and the increased incidence of ocular surface squamous neoplasia (OSSN) in Australia,2 3 recently led us to audit the incidence of OSSN in conjunctival biopsies in New Zealand over a 6-year period.We identified 132 invasive conjunctival and/or corneal biopsies performed on 115 patients at Auckland City Hospital. Among the many histopathological diagnoses, 6% of patients had no histological abnormality, … ER -