Doctor insights on:
Difference Between Glasses Contacts Prescription
Yes: The difference is called vertex distance. This is an adjustment for where the corrective lens is placed in relationship to the cornea. In the case of contact lenses this is zero and usually for glasses it is about 12-15 mm therefore the numbers will be different (less negative or more positive) for contact lenses. ...Read more
Optometry: I have a -3.75 distance vision prescription for progressive glasses. Any difference between the optician measuring pd with a machine or without it?
Not really: Pd is pd. Some prefer a machine. Some prefer manually. As long as they get it right it doesn't matter. ...Read more
Different: They are different. Often the overall power will be similar or the same, but contact lenses require more specifications, such as the curvature of the lens as well as type of material. ...Read more
Not enough info: In order to fit contact lenses to your eyes, you need the corneal curvature in addition to the glasses power. Also a discussion of your vision goals, such as any need to see well at near and distance versus distance only, is used to determine the initial contact lens parameters. Your eye care provider will make these measurements. ...Read more
Non: You need a few numbers that are parameters for the fit of you eye i.e. The base curve, diameter and an adjusted power for lens effectivity if higher power then 5 diopters. ...Read more
Can you tell me if I switch from glasses (prism lens) to contacts (different prescription) will that cause unusual discomfort?
Can you tell me if you switch from glasses (prism lens) to contacts (different prescription) will that cause unusual discomfort?
Yes: Why not use color contact lenses with an appropriate prescription? ...Read more
Probably yes: Colored contact lenses are able to be fit on most patients. See your doctor. ...Read more
Yes, but: Why would you want to do such a thing? ...Read more
No: Won't work.Get a more detailed answer ›
Contacts, a nightmare on the road and abroad. Why not wear regular glasses? Will that change a prescription?
Not if up to date: There are differences between a prescription for contacts and glasses although some similarities. Your ophthalmologist will determine the eyeglass correction and then use those measurements to recommend a contact lense. If you prefer eyeglasses, and you should have them anyway as a back up, then if up to date, by all means use eyeglasses. ...Read more
I use glasses at night and put on contacts in the morning. But my prescription for glasses is a lot lower. Is this okay?
Yes.: Once you get beyond a certain eye power, the numbers for glasses versus contact lens power will change to obtain the same level of vision. For example, if you wear -4.00 in glasses, you're contact lens power will likely be -3.75. Conversely, if you wear a +4.00 eyeglass, your contact lens power will likely be +4.25. Any astigmatism number may also be different. ...Read more
Sometimes: The powers of the eyeglass and the contact are additive. They might add up to a proper prescription for you if designed that way and some visual problems need this as a purposeful set-up. You will not like it if you put full corrective eyeglasses on top of fully corrected contact lenses. ...Read more
I wear multi-focal contacts. They are good for near and mid but my distant vision suffers. Can I wear prescription glasses with them to correct distan?
Yes.: -3.25 would be the power of the contact lens. Assuming you are wearing a soft lens, You also need the other parameters which include the type of contact lens, the base curve and the diameter ...Read more
I wear glasses (prescription) but only whn my eyes still constantly hurts in the sun watching tv etc vwey sensitive. Would you recommend contacts?
I got contacts for the first time a few days ago & I updates my prescription for new glasses. When I switch from contacts to glasses, my glases makes me dizzy, nauseated & gives me headaches.
Do you have to get an eye exam before you get contacts even if you already have your glasses prescription?
Eye exam: Most eye doctors require it, to make sure your eyes check out ok. ...Read more
Can a person with a prescription higher than -5.50 get ortho-k?? What is better lasik or OrthoK? I have astigmatism &dry eyes &hate glasses &contacts.
My eye lid keeps twitching, so I got these new glasses after my old ones broke. They are the same prescription as my old ones. I ran out of contacts and started using my glasses full time now. All of a sudden. After a day. My right eye lid started twitchi
Most: Most often, twitching is actually caused by stress, lack of sleep or caffeine. Modify these issues and things should get better. But it may take weeks for the twitching to go away. It is not related to changes in glasses, contact lenses etc. More complete info about eye twitching here:. ...Read more
You can see!: Some of my patients have remarked to me on how prescription glasses allow them to see very well, including comments that they now see in hd or 3d. What they are observing is how great the eye can really see when given the proper correction. Wear your glasses and enjoy the good vision. ...Read more
Possibly: If the prescription is wrong, then the image perceived will be of lower quality than you expect - e.g. Distorted or blurred. This can result in your feeling strange. The glasses might also have the optics misaligned. If you ophthalmologist prescribed them recently, and you saw clearly when he did the refraction in the office, then it is possible they might be wrongly made. Have this evaluated. ...Read more
- Talk to a doctor online
- Can i wear prescription glasses with colord contacts?
- Can you switch between glasses and contacts?
- What is the difference between otc dhea prescription dhea?
- Blurry vision with contacts but not glasses
- Monovision contacts vs glasses
- Glasses prescription make vomit
- Symptoms of a wrong glasses prescription
- Is there a difference between prescription and otc meclizine?