The slit lamp helps the ophthalmologist see the front of the eye in detail with illumination and magnification. There are blue and green filters for special tests. The slit lamp is also required to measure the intraocular pressure by the Goldman Applanation Tonometry(GAT) method.With the help of special lenses the optic nerve and the macula can also be seen with or without dilatation.
Even children from the age of 3 can be examined with this equipment.