In flash photographs the pupil may appear red. This is known to photographers as redeye and to physicians as the red reflex and is entirely normal. On occasion, the pupil of the eye may appear white. On occasion, a cloudy cornea may produce an appearance similar to a white pupil. The causes of a cloudy or white cornea are different than those of a white pupil but are also significant and require immediate attention.
Cataracts can also cause the pupil to appear white.
If you note any discoloration of the pupil or cornea of the eye. The medical history will be obtained and a physical examination performed. The physical examination will include a detailed eye examination. If a white pupil is noted, an immediate appointment with your health care provider should be made. It is often appropriate to see an ophthalmologist for eye conditions.