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Contrast Sensitivity Examination

Contrast Sensitivity Testing

Eyes use light rays reflected from the surface of objects in order to identify and see them as well as distinguishing them from their surroundings. The basis of contrast sensitivity test is to determine the eye’s power to discriminate an object from its background.

The more similar the color and shape of the target object is to its background, the more difficult it is to distinguish between them. In this test, different objects are used on different backgrounds. The reduction in contrast sensitivity (CS) is observed in many patients with eye diseases such as corneal diseases, cataracts, and retinal degenerative diseases.

Performing these tests with high precision is now possible at the Tehran Noor Eye Hospital in Iran.