TRSC International LASIK Center
1 ก.พ. 20181 นาที
อัพเดตเมื่อ: 1 เม.ย. 2022
Diopters are a unit of measurement of a lens's refractive power. In ophthalmology, diopters refer to the refractive power of a lens that would be required to correct the eyesight of a given eye.
A negative diopter implies shortsightedness.
A positive diopter implies farsightedness.