![Vision (eyesight): What does spherical, cylindrical, and axis mean in an eyeglass prescription? - Quora Vision (eyesight): What does spherical, cylindrical, and axis mean in an eyeglass prescription? - Quora](https://qph.cf2.quoracdn.net/main-qimg-d37c815fa0e3ee1df1ef05aebacf182f.webp)
Vision (eyesight): What does spherical, cylindrical, and axis mean in an eyeglass prescription? - Quora
![Hi. Can anyone help me read this. I read online that cylinder means astigmatism, and sphere means myopia. So do I have astigmatism? Do I have myopia at all? : r/glasses Hi. Can anyone help me read this. I read online that cylinder means astigmatism, and sphere means myopia. So do I have astigmatism? Do I have myopia at all? : r/glasses](https://preview.redd.it/xlyhk8kxg1751.jpg?auto=webp&s=0e03107c3853f6eb7e81794aa082c56ab4fa2811)
Hi. Can anyone help me read this. I read online that cylinder means astigmatism, and sphere means myopia. So do I have astigmatism? Do I have myopia at all? : r/glasses
Does cylinder power depend on sphere power in eyeglasses? If I decrease the sphere power, does cylinder correction become weaker? Do I need to add power to the cylinder to compensate for
![Optometrics stays current with the latest developments in eye care - EYE CARE IN NORTHRIDGE & CHATSWORTH Optometrics stays current with the latest developments in eye care - EYE CARE IN NORTHRIDGE & CHATSWORTH](http://www.optometricsofchatsworth.com/uploads/4/1/2/9/41296221/published/rx-explained.jpg?1503607264)