The slit lamp examination is the fundamental assessment performed by every ophthalmologist and is the core of clinical diagnosis. A slit lamp is essentially a powerful microscope combined with an adjustable light source, allowing examination of the various parts of the eye under high magnification and in 3D.
What is evaluated regarding Glaucoma?
During the examination, we evaluate several factors critical to glaucoma: We assess the depth of the anterior chamber to identify the risk of angle-closure glaucoma, look for signs of inflammation, and examine the iris and lens. Additionally, the examination can reveal signs of secondary glaucoma, such as pigment dispersion or pseudoexfoliation material on the lens, which interfere with normal drainage.
The Basis for Further Testing
The slit lamp is not just for external observation. It serves as a platform on which other essential tests are performed, such as measuring intraocular pressure (tonometry), examining the eye's drainage angle (gonioscopy) using a special contact lens, and examining the fundus for a direct view of the optic nerve with dilated pupils.