Astigmatism Test: How to Check, and What It Can’t Tell You

Astigmatism Test: How to Check, and What It Can’t Tell You By Dr. Ravi Raithatha, OD · Published November 4, 2026 A home astigmatism test uses a dial chart: if some spokes look darker or sharper than others, that points to astigmatism. It takes ten seconds, and it’s genuinely useful as a prompt. What it […]