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A 10-2 visual field is an automated perimetry test that focuses on your central vision. It checks many closely spaced points, often 68 locations, within the central 10 degrees. Doctors use it when detail near the center of vision matters, such as macular disease or central glaucoma changes. It is especially useful when a broader test looks normal but symptoms persist.
read more about 10-2 Visual Field ...The 10-2 test looks at a smaller area but with much tighter spacing between points. This gives more detail near fixation, where reading and face recognition happen. A 24-2 test covers a wider field but can miss small central defects. Many clinics use both tests to get a fuller picture.
It is often ordered when glaucoma is suspected to involve the macula or when central defects are a concern. It can also support evaluation of macular problems or optic nerve conditions that affect central sensitivity. If you report distortion or a new central blind spot, the test may be added to your workup. Your doctor will match it with OCT findings.
The printout shows where sensitivity is reduced inside the central field. Small dips near fixation can explain reading difficulty or subtle blur. Reliability still matters, since missed clicks can mimic a defect. Your doctor looks for repeatable patterns across tests, not a one-time dip.
Wear your distance correction unless the clinic gives other instructions. Try to arrive with comfortable eyes, since dryness can make the target harder to see. Blink normally, but keep your gaze on the center point. If you feel fatigued, ask for a short pause between eyes.
Some people find it more tiring because it asks you to focus on a smaller area with many points. The good news is that the test is still short, and you can ask for a break if your eyes water or burn.
Yes. A 24-2 has fewer points close to the center, so small central defects can be missed. That is one reason doctors add a 10-2 when symptoms or OCT suggest central change.
Usually no. The test is done at a machine with your pupils as-is. If your doctor also wants a retina exam, dilation may still be done at the same visit.
That can happen from fatigue, dryness, or overthinking the test. Try to click only when you are sure you saw a light. If reliability is low, the clinic may repeat the test.
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Is 10-2 Testing Needed for Early VF Loss? American Academy of Ophthalmology. https://www.aao.org/eyenet/article/is-10-2-testing-needed-for-early-vf-loss. Date Accessed March 16, 2026.
Comparison of 10-2 and 24-2 Perimetry to Diagnose Glaucoma Using OCT as an Independent Reference Standard. PubMed. https://pubmed.ncbi.nlm.nih.gov/36084839/. Date Accessed March 16, 2026.
Qualitative Evaluation of the 10-2 and 24-2 Visual Field Tests for Detecting Central Visual Field Abnormalities in Glaucoma. PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC8379296/. Date Accessed March 16, 2026.
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