![Reading prescription for spectacles. What does 5ph mean under Cylinder? And why is axis blank? : r/whatisthisthing Reading prescription for spectacles. What does 5ph mean under Cylinder? And why is axis blank? : r/whatisthisthing](https://preview.redd.it/pkbd47qx2xe31.jpg?auto=webp&s=ce92d214995bbf4041dada437eec4868495de623)
Reading prescription for spectacles. What does 5ph mean under Cylinder? And why is axis blank? : r/whatisthisthing
What is the difference between cylinder and ADD power for eye glasses, and how do they work when they are applied on the same lens? - 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://i.redd.it/xlyhk8kxg1751.jpg)