Slit lamp haag streit is an instrument used in medicine to examine the eye. A light source, a microscope, and some mirrors make up the apparatus. The image of the eye is amplified as the light from the light source passes through the microscope. Through the microscope, the image is visible once the light is directed onto the eye by the mirrors. The tool is used to look for abnormalities in the eye, including cataracts, glaucoma, and other disorders. Slit lamp haag streit are integrated with great optics, optimal lighting, and faultless mechanics. It is widely used in hospitals and made up of hospital grade material.