Synonym for slit lamp ... <apparatus, ophthalmology> A special type of examination of the anterior structures of the eye. These include the conjunctiva, sclera, lids, iris, cornea and anterior chamber. ... The slit lamp is a device which focuses a high intensity light beam (that can be focused as a slit) at the structures of the eye while the... Found on http://www.encyclo.co.uk/local/20973