Diplopia

Diplopia or double vision, is a medical condition where a person sees two images of a single object. This condition can be either monocular, affecting one eye, or binocular, affecting both eyes.

Causes

Diplopia can be caused by a number of factors including:

• Strabismus: This is a condition where the eyes do not align properly. One eye may look straight ahead while the other eye turns inward, outward, upward, or downward. This can cause double vision.
• Cataracts: These are cloudy areas in the eye's lens causing light to scatter as it passes through the lens, creating a double image.
• Keratoconus: This is a condition where the cornea, the clear front surface of the eye, becomes thin and bulges outward into a cone shape, causing double vision.
• Dry eye: This condition can distort vision, which can sometimes result in double vision.

Symptoms

The primary symptom of diplopia is seeing double images. This can occur either all the time or only in certain circumstances. Other symptoms may include:

• Nausea
• Dizziness
• Headaches
• Pain around the eyes
• Weakness

Diagnosis

Diagnosis of diplopia involves a thorough examination of the eyes and a detailed medical history. Tests may include:

• Eye movement tests
• Imaging tests
• Blood tests

Treatment

Treatment for diplopia depends on the cause. It may include:

• Eye exercises
• Surgery
• Medications
• Eyeglasses or contact lenses

See also

• Ophthalmology
• Vision disorders
• Eye diseases

References

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