Changes in vision may be involved eye symptoms, changes in the appearance of the eye, or an abnormal sensation in the eye. As a result of a problem in the eye symptoms typically develop but occasionally indicate a problem elsewhere in the body. Changes in vision may indicate a problem in the brain for example. Sometimes eye symptoms develop as part of an illness that affects several organ systems.
Doctor should check a person who experiences eye symptoms. However, in their early stages some eye diseases cause few or no symptoms, so the eyes should be checked regularly (every 1 to 2 years or more frequently if there is an eye condition) by an ophthalmologist (a physician and surgeon who specializes in the diagnosis and treatment of eye diseases) or by an optometrist (a non-physician who specializes in refraction problems).
Depending on the suspected cause A person with eye or vision problems describes the location and duration of the symptoms, and then the doctor examines the eye, the area around it, and possibly other parts of the body,. An eye examination usually includes refraction, a visual field testing, ophthalmoscopy, a slit lamp examination, and tonometry.
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