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MSD Manual
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
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ABOUT US
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Eye Disorders
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Diagnosis of Eye Disorders
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Diagnosis of Eye Disorders
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The Eye Examination
Refraction
Visual Field Testing
Color Vision Testing
Ophthalmoscopy
Slit-Lamp Examination
Tonometry
Tests for Eye Disorders
Angiography
Electroretinography
Ultrasonography
Pachymetry
Optical Coherence Tomography
Computed Tomography (CT) and Magnetic Resonance Imaging (MRI)