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|    sci.optics    |    Discussion relating to the science of op    |    12,750 messages    |
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|    Message 12,349 of 12,750    |
|    rosette845@gmail.com to All    |
|    Re: Acceptable deviation from axis value    |
|    13 Sep 17 01:06:26    |
      9f6fae62       I hope someone can help me and direct me. I am legally blind with limited       Vision in only my left eye. I am trying to replace a broken pair of my       glasses that I use for my distance vision. I recently went to an optometrist,       had an exam and was given a        pair of glasses, which I could not see well out of at all. The vision with my       old broken was much better. I went back to the optometrist, and he said the       only thing that he thought it might be due to was the astigmatism part of the       script. He didn't        really seem too sure so we both decided that since my old script had worked       well for me we would just redo the new glasses the same as my old script. I       did not have the written prescription so they took the script directly from my       old glasses. The only        difference between my older glasses and the new ones being made where that my       old glasses were made from polycarbonate without an anti-glare coating and the       new ones were going to be a high index glass with anti-glare coating. They       said they can only        redo the glasses one time and that if they didn't work out they would not be       responsible. They assured me that the high index lens would give me even       clearer Vision then the polycarbonate lens and the anti-glare coating would       not affect the clarity or        the vision. I went to pick up the new glasses today and once again the script       did not seem correct! I can't focus as well with the new ones as my old ones       even though they insist that the script is the same. I asked if it could be       the way the lens was        placed in the frame and they said it was placed accurately and the same as my       old ones. They have refused to redo the lenses and will not give me my money       back which I paid out of pocket without any insurance coverage. I immediately       went down to another        optometrist office and ask them to compare the script of my new glasses with       my old ones. The OD on both prescriptions was the same,-300. I have no central       vision in that right eye so it is mainly used as a balancing lens. The OS in       my older glasses,        which work for me, was -4.25-75-110. The other optician said that my OS script       in my new glasses is-400-75x90. I do not know what any of these numbers mean.       I asked them why the two numbers at the end were so different and how that       would affect my vision.        She told me that those numbers were they axis measurements for the       astigmatism. With that mean that they are 20 degrees off? From reading the       previous post I would think that 20° would make a big difference in the way I       am focusing. I don't know if the        measurements of-425 and-400 would make a big difference. I am trying to find       out why I am having a problem getting a simple pair of single Vision distance       glasses. These glasses were not sent out to a lab. They ordered the lens and       put them in the frames        themselves. Could it be possible they are not situated right in the frames or       would the difference in the prescription be the problem? Since they are       washing their hands of the problem is my only recourse to purchase another       pair and throw away this        money that I paid for these glasses? I am a disabled Widow and cannot afford       another pair of glasses. Is there a society that over looks the optometrists       that would assist me and to getting the correct pair of lenses from this       optometrist? So now I am        back to wearing my scratched glasses which have the arms held together with       paper clips! All I wanted was the same exact lenses in the new frames! I am       trying to understand what is causing the problem in the focusing and need       advice on what I can do to        rectify the situation. Please help!              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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