Depth Perception Test. This simple online test will help you determine whether you have fully functional depth perception. Step 1: Focus on the circle: To perform this test you will use your finger (or thumb) and the green circle below. The pictures on the left show what it should look like.. Circle-based depth perception eye tests involve presenting circles in various configurations to assess one's ability to perceive depth. These tests, like circles floating on a background or forming a pyramid shape, evaluate how effectively the brain processes visual cues to determine the distance and spatial relationships of objects. Normal results indicate adequate depth perception, while.
Graded circle test (400 to 20 seconds of arc) Butterfly Stereotest. The Stereo Butterfly tests and evaluates random dot stereo depth perception for both gross stereopsis (2500 to 1200 seconds of arc) and fine depth perception. Unlike it's predecessor, the Stereo Fly Test, the Butterfly Stereotest figures presented on the test cannot be.. This test is designed so that it is easy to administer. All items of the Stereo Fly test are manufactured with high quality materials, ensuring sharp long-lasting images. Product Features: Evaluate both gross stereopsis (355 to 700 seconds of arc) and fine depth perception; Graded circle test (800 to 40 seconds of arc)