I wouldn't trust it, myself. I was laying out a new circuit board design for a client when my eyesight went all wonky. It turns out I had a detached retina. Yhe first repair procedure failed. The second procedure went well. Then I got a cataract in that eye. My retina specialist sent me to a cataract specialist. The cataract specialist told me "I was allergic to laser beams" and didn't recommend cataract surgery. And also to get used to audiobooks. Like I could write program code and design GUI's by listening to audiobooks. For "fun" I read. Sometimes I write books. I put up with a 'weird' double vision and gave up driving a car. Audiobooks indeed.
How did the doctor diagnose allergy to laser? So you didn't do catract surgery? Catract surgery can be done without using laser.