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Slit-lamp examination

Slit-lamp examination

 

The slit-lamp allows a highly magnified view of the eye, with well-controlled illumination providing a clear view of the tumour. The source of light can either be diffuse or slit-like (hence the name of the instrument). It is possible to adjust the length of the slit, which can therefore be used to measure the size of a tumour.

A number of hand-held lenses are available to facilitate examination.