Top
20
Doctor insights on: Plastic Eyeglass Frames

Share
1

1
Is polycarbonate eyeglass lens expensive?

Is polycarbonate eyeglass lens expensive?

A little more: Polycarbonate lenses have a higher index of refraction and can be made a little thinner which lightens the eyeglasses and makes them more comfortable. So they charge a little more for them. I consider eyeglass costs way too high for the technology and manufacturing costs, but it is an industry charging what the public will put up with. ...Read more

Dr. Tim Conrad
515 doctors shared insights

Eyeglasses (Definition)

Babies sometimes need eyeglasses to correct vision or to correct ...Read more


2

2
Polycarbonate vs plastic lenses best for high myope?

Polycarbonate vs plastic lenses best for high myope?

Probably polycarb: Polycarbonate lenses are "high index" lenses . They are often used in high myopes to allow for the glasses to be thinner and lighter. They do have more chromatic aberration though. Discuss the various pros and cons with your optician before deciding what it right for you. ...Read more

3

3
Can aspheric eyeglass lenses help nearsighted people?

Can aspheric eyeglass lenses help nearsighted people?

Aspheric glasses: Aspheric glasses may minimize induction of aberrations in nearsighted people but usually not to a clinically significant degree. That being said you are better off spending your money on high index glass to minimize the thickness and weight of your glasses. Contact lenses are also a very good option. ...Read more

4

4
Will lazer surgery/intraocular lens fix strabismus/cross eyed?

Will  lazer surgery/intraocular lens fix strabismus/cross eyed?

Not usually: Laser eye or implant surgery will correct your prescription but strabismus will likely persist. Muscle surgery may be needed. On the other hand, if glasses or contacts correct your eye misalignment, laser or implant surgery may fix both problems. ...Read more

6

6
Are polycarbonate lenses the only viable option for rimless eyeglasses?

Are polycarbonate lenses the only viable option for rimless eyeglasses?

No: There are other materials which can be used, trivex for example. ...Read more

8

8
Can one remove scratches from eyeglasses with polycarbonate lenses?

Not easily: Scratches in polycarbonate lenses involve the removal of plastic in the scratch. To smooth it out you would need to grind this away which would alter the power of the lense and might induce some distortion. Check with an optical shop to see if some correction is possible or replacement is needed. ...Read more

9

9
Willvisual acuity always determine eyeglass prescription?

Willvisual acuity always determine eyeglass prescription?

Not sure: I do not understand the question but the larger the eye glasses prescription, the poorer the uncorrected vision. With proper correction (glasses or contacts), most people should be able to see 20/20 or better. ...Read more

10

10
Can contact lenses correct astigmatism?

Can contact lenses correct astigmatism?

Mostly: Hard lenses can do this for most cases. Thee are a variety of soft toric lenses which also correct astigmatism. ...Read more

11

11
Can people with myopia wear toric lenses?

Can people with myopia wear toric lenses?

Yes: Toric lenses are used to correct astigmatism so if you have myopia and astigmatism you can wear toric lenses. If you only have myopia you will not need them. ...Read more

12

12
Can wearing eyeglasses correct amblyopia?

Can wearing eyeglasses correct amblyopia?

Varies with duration: Amblyopia is the process where the brain ignores the "camera" picture from one eye because it is less clear or causes double vision. It can sometimes be improved if the weaker eye is strengthened (glasses), the stronger eye is patched.This works primarily in kids where the problem has not go on too long.It will not benefit adults whose problem has lasted years. ...Read more

13

13
Could professional opticians adjust glasses frame for long eyelashes?

Could professional opticians adjust glasses frame for long eyelashes?

Yes: If your eyelashes are hitting the lens, you need to have your glasses adjusted. Hopefully your glasses has enough adjustment for this to be solved. If not, you will need new glasses. ...Read more

14

14
Disposable contact lenses good for anisometropia?

Disposable contact lenses good for anisometropia?

Yes: Actually any contact lens is good for anisometropia. This term means that there is a significant difference in the prescription of the eyes which can make it difficult for the brain to fuse the images from the two eyes into one. The contact lenses allow the eyes to see images which are more alike in size which makes it easier to fuse the images. ...Read more

15

15
Could lasik correct astigmatism in a farsighted eye?

Usually: Most patients with hyperopic astigmatism can have their prescription corrected with lasik. Some patients have issues which make them poor lasik candidates so you should see your eye doctor. ...Read more

See 1 more doctor answer
17

17
Will visual acuity always determine eyeglass prescription?

Will visual acuity always determine eyeglass prescription?

No, not always: Visual acuity is a measure of how well you see. In most cases this reflects on what your prescription might be but it can't estimate it exactly. There are many other factors that determine how well you see: if your retina is healthy and if there are other problems with your cornea or lens. It's possible to have poor visual acuity and yet have no need for glasses. ...Read more

18

18
Will lasik or laser eye surgeries replace optometrists?

Will lasik or laser eye surgeries replace optometrists?

No: No. Even after laser surgery, people need to have regular eye examinations to ensure ocular health (especially if they had a high prescription or have other ocular or systemic disease). Not all patients are able to have laser eye surgery and those patients will need glasses or contact lenses for vision correction. ...Read more

See 1 more doctor answer
19

19
How does an eyeglass lens differ from a magnifying glass lens?

How does an eyeglass lens differ from a magnifying glass lens?

Very different: Eyeglass lenses can either magnify, minify (make images smaller) or correct astigmatism. Magnifying glasses are used in readers and prescription lenses for farsighted and presbyopic people, while minifying lenses are used for those with nearsightedness. Also, there can be magnification or minification with astigmatism correction at the same time. Glasses are built specifically for your vision. ...Read more

See 1 more doctor answer
20

20
Are spherical contact lenses recommended for astigmatisms?

Are spherical contact lenses recommended for astigmatisms?

Depends: On how much astigmatism is present. People with small amounts of astigmatism (usually 1 diopter or less) see well with spherical contact lenses. ...Read more