Question 1

can you tell me how i could tell if my eyeglass lenses are really polycarbinate and not plastic?

Accepted Answer

Snap and crack: For the same size lens Plastic is heavier. Polycarbonate  will be uv400. For those 2 you probably can't tell. Plastic snaps or shatters went bent past tolerance, polycarbonate just bends and then past tolerance will not resume its original shape. Plastic is typically cheaper but has better optical quality

Question 2

getting new eyeglasses, need your opinion on plastic or glass?

Accepted Answer

Eyeglasses: Almost all eyeglasses now are plastic. They are lighter and more resistant to breakage. A few industries require safety glass to be made of glass, but that is now rare.

Question 3

how can i fix small scratches on eyeglass lenses or lessen their effect without distorting vision?

Accepted Answer

You can't: If you have significant scratches on your glasses, you will need new glasses.  They cannot be removed or repaired.

Question 4

can one remove scratches from eyeglasses with polycarbonate lenses?

Accepted Answer

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.

Question 5

how do i repair a scratch or two on my eyeglasses?

Accepted Answer

Scratched eyeglasses: The only way to repair the lens is to replace it.

Question 6

pro and cons of plastic lenses?

Accepted Answer

Lighter, etc.: Plastic lenses are a comfort especially in high power needs for eyeglasses as they are  lighter in weight for a given power.  They are, however, less durable and can scratch in normal use.  These factors can be eweighted in the udee

Question 7

what's the difference between glass and plastic glasses lenses?

Accepted Answer

See below: Differences between glass & plastic lenses: weight (glass much heavier); durability (plastic scratches more easily); price (glass generally more, depending on prescription, coatings, etc.).

Question 8

what is the difference between glass lenses and plastic lenses for glasses?

Accepted Answer

Weight and scratches: Glass lenses are: heavier, prone to breakage.  They provide slightly superior optics and optimal scratch resistance.

Plastic lenses are: lighter, scratch easier.  They are shatter resistant and available in more shapes.

Question 9

polycarbonate vs plastic lenses best for high myope?

Accepted Answer

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.

Question 10

how can you put little pieces of plastic in your eye when you get contact lenses?

Accepted Answer

Practicemakesperfect: I think most will agree that the thought of putting something on your eyeball is a little strange and hard to wrap your head around initially.  With proper instruction and practice though you'll get the hang of it in no time.  Be sure your optometrist shows you the right way to put them in and take them out.

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Doctor answers about:

How to repair scratches on a plastic eyeglass lens

A member asked:

Can you tell me how i could tell if my eyeglass lenses are really polycarbinate and not plastic?

A member asked:

Getting new eyeglasses, need your opinion on plastic or glass?

A member asked:

How can i fix small scratches on eyeglass lenses or lessen their effect without distorting vision?

A member asked:

Can one remove scratches from eyeglasses with polycarbonate lenses?

A member asked:

How do i repair a scratch or two on my eyeglasses?

A member asked:

Pro and cons of plastic lenses?

A member asked:

What's the difference between glass and plastic glasses lenses?

A member asked:

What is the difference between glass lenses and plastic lenses for glasses?

A member asked:

Polycarbonate vs plastic lenses best for high myope?

A member asked:

How can you put little pieces of plastic in your eye when you get contact lenses?

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