Which lenses would you use?

[uluvbs]

Top (half) rim frames, -0.75 in both eyes, single vision.

CR-39 with Crizal Alize good?

Thank you.

[For-Life]

Top (half) rim frames, -0.75 in both eyes, single vision.

CR-39 with Crizal Alize good?

Thank you.

sure

Now are you a consumer or are you what your title says you are?

[OptiChick21]

I think you guys find nothing more fun than trying to point out every possible consumer on the site day in & day out!!! I know they're not supposed to be posting, but must you question EVERY post?? Who cares!

CR39 with Alize is OK, but in a semi-rimless frame I would be willing to bet such a thin RX in CR39 would chip and break. Go for polycarb instead with Alize...

[OPTIDONN]

I think you guys find nothing more fun than trying to point out every possible consumer on the site day in & day out!!! I know they're not supposed to be posting, but must you question EVERY post?? Who cares!

CR39 with Alize is OK, but in a semi-rimless frame I would be willing to bet such a thin RX in CR39 would chip and break. Go for polycarb instead with Alize...

Polycarb may be too thin. Even though poly is tougher than CR-39 it is very thin and in that power. The groove may not be able to go as deep as needed which can result in the lens popping out or if made deeper the wall of the groove may warp under the pressure of the string if it's too tight. Honestly CR-39 will be your best option. As far as A/R goes there is really no need for it in this case but if you want it any kind would do.

[Fezz]

ULUVBS-


Great name:hammer: .

I looked back over your prevoius posts and thread replies.

Are you a consumer? If so, please follow posting guidlines.

[For-Life]

Polycarb may be too thin. Even though poly is tougher than CR-39 it is very thin and in that power. The groove may not be able to go as deep as needed which can result in the lens popping out or if made deeper the wall of the groove may warp under the pressure of the string if it's too tight. Honestly CR-39 will be your best option. As far as A/R goes there is really no need for it in this case but if you want it any kind would do.

This is why we cannot give consumers advice. Three opticians, three opinions.

[OPTIDONN]

This is why we cannot give consumers advice. Three opticians, three opinions.

Just to mess things up a little bit. How about two peices of conflicting advice from one optician :D .

The thinner the lens material the stronger the lens. Even though the groove wall may be thin the material can withstand 80% more stress than traditional CR-39. This will allow for a better looking lens without undo chipping or cracking.;)

[OPTIDONN]

Beside it was four opticians and two opinions (unless you count my second one than it's 3 opinions):bbg:

[DocInChina]

I think you guys find nothing more fun than trying to point out every possible consumer on the site day in & day out!!! I know they're not supposed to be posting, but must you question EVERY post?? Who cares!

Steve started a thread months back addressing this and after consideration concluded that his board would no longer accept consumer postings. Obviously this thread poster is a consumer and we should respect Steve's guidelines and direct ULUVBS back to his/her provider for advice.

Doc

[For-Life]

Beside it was four opticians and two opinions (unless you count my second one than it's 3 opinions):bbg:

I did not chime in mine. I think AR is necessary

[uluvbs]

With all due respect, what difference does it make if I am a consumer?

The fact of the matter is my question has encouraged discussion about which would be a better material, and there are clearly differences of opinion among opticians. If an optician reads this thread and learns from it, how is that not helping the field?

I guess it would be OK for an optician to ask which material is preferable, but for a consumer to ask the same question is unallowable?

[Steve Machol]

With all due respect, what difference does it make if I am a consumer?

The difference is:

a) You purposely lied when you registered and misrepresented yourself as an Eyecare professional

b) The forum rules clearly state:

This forum is for Eyecare Professionals. Consumers are allowed to post in the Just Conversation forum and non-optical topics only. Please be aware that any questions involving optics or eyecare may be removed. These kinds of questions should be discussed with a qualified eyecare professional who has examined you and is familiar with your situation.