Yes: The best number to use is sphere (sph). If you are nearsighted or myopic the number has a minus sign in front of it. The higher the number, the worse your uncorrected vision is. If you are farsighted, the number is a plus sign and the same applies. The cyl stands for cylinder and is a measure of astigmatism. The higher the number, the worse the astigmatism
Answered 5/18/2014
4.1k views
A doctor has provided 1 answer
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question