An autorefractor is used to determine an individual’s prescription by measuring how light is affected as it reflects through the eyeball. The process is quick and painless for the patient, and the data ensures a baseline to determine the correct eyeglass or contact lens prescription.
Does autorefractor detect astigmatism?
Autorefractors are highly advanced digital instruments that can detect various types of refractive errors including astigmatism. The device works by sending light pulses into the …