Free online eye tests
Choose a vision screening
Start with our most popular color blind test, or choose another free screening for visual acuity, astigmatism, contrast, peripheral vision, central vision or eye teaming.
Color vision test
Identify numbers in colored dots with a quick or full check.
Hue test
How well can you tell similar colors apart? Arrange the tiles into a smooth color transition.
Near Vision Test
Calibrate your screen and check small-number recognition at a normal reading distance, one eye at a time.
Color Shade Test
From 3 × 3 to 6 × 6, the grids grow and the shades get closer.
Vision test
Check which way the E points, one eye at a time.
Astigmatism test
Compare the clarity of radial lines, one eye at a time.
Contrast test
Find the direction of faint stripes against a gray background.
Visual field test
Keep looking at the center and respond when you notice a flash.
Amsler grid test
Notice wavy lines or missing areas in your central vision.
Convergence test
Notice how comfortably your eyes work together at close range.
Online screening has limits
These tools are designed for screening and education. They cannot diagnose an eye condition or replace a complete examination by an optometrist or ophthalmologist. Seek professional care for sudden vision changes, eye pain, new double vision, flashes, new floaters or persistent concerns.