Fig. 1From: Update on pharmacotherapy for ocular surface squamous neoplasiaHR-OCT image of OSSN. High-resolution anterior segment optical coherence tomography (HR-OCT) image of a patient with ocular surface squamous neoplasia (OSSN). In this image, the distinct features of OSSN found on HR-OCT can be seen: a thickened, hyperreflective epithelium (white arrows) with an abrupt transition from normal to abnormal epithelium (asterisk)Back to article page