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Q&A Optically, why are circular eyeglasses lenses better than rectangular?

1 answer  ·  posted 3mo ago by VLDR‭  ·  edited 3mo ago by VLDR‭

Question optics
#5: Post edited by user avatar VLDR‭ · 2022-07-02T01:36:24Z (3 months ago)
  • My optometrist said that round eyeglass lenses are, optically, better than rectangular, particularly to correct myopia. **He was NOT referring to fashion or style.**
  • I couldn't understand his explanation at all! I remembered merely some phrases about rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
  • My optometrist said that round eyeglass lenses are _OPTICALLY_ better than rectangular, particularly to correct myopia. **He was NOT referring to fashion or style.**
  • I couldn't understand his explanation at all! I remembered merely some phrases about rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
#4: Post edited by user avatar VLDR‭ · 2022-07-02T01:35:48Z (3 months ago)
  • My optometrist said that round eyeglass lenses are, optically, better than rectangular, particularly to correct myopia. He was NOT referring to fashion or style.
  • I couldn't understand his explanation. I understood some points about rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
  • My optometrist said that round eyeglass lenses are, optically, better than rectangular, particularly to correct myopia. **He was NOT referring to fashion or style.**
  • I couldn't understand his explanation at all! I remembered merely some phrases about rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
#3: Post edited by user avatar ArtOfCode‭ · 2022-06-27T10:34:48Z (3 months ago)
  • My optometrist asseverated that round eyeglass lenses are OPTICALLY better than rectangular, particularly to correct myopia. He was NOT referring to fashion or style.
  • Please [explain like I'm 5](https://en.wiktionary.org/wiki/ELI5). I could not fathom his abstruse explanation. I understood just phrases containing rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
  • My optometrist said that round eyeglass lenses are, optically, better than rectangular, particularly to correct myopia. He was NOT referring to fashion or style.
  • I couldn't understand his explanation. I understood some points about rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
#2: Post edited by user avatar VLDR‭ · 2022-06-26T17:49:48Z (3 months ago)
  • My optometrist asseverated that round eyeglass lenses are OPTICALLY better than rectangular. He was NOT referring to fashion or style.
  • Please [explain like I'm 5](https://en.wiktionary.org/wiki/ELI5). I could not fathom his abstruse explanation. I understood just phrases containing rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
  • My optometrist asseverated that round eyeglass lenses are OPTICALLY better than rectangular, particularly to correct myopia. He was NOT referring to fashion or style.
  • Please [explain like I'm 5](https://en.wiktionary.org/wiki/ELI5). I could not fathom his abstruse explanation. I understood just phrases containing rectangular lenses like how they —
  • 1. distort your vision more,
  • 2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and
  • 3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?
#1: Initial revision by user avatar VLDR‭ · 2022-06-26T17:48:38Z (3 months ago)
Optically, why are circular eyeglasses lenses better than rectangular?
My optometrist asseverated that round eyeglass lenses are OPTICALLY better than rectangular. He was NOT referring to fashion or style. 

Please [explain like I'm 5](https://en.wiktionary.org/wiki/ELI5). I could not fathom his abstruse explanation. I understood just phrases containing rectangular lenses  like how they — 

1. distort your vision more, 

2. need to be [bevelled](https://www.quora.com/What-shape-style-of-spectacles-frames-would-look-best-for-very-thick-lenses), and 

3. are [more convex](https://www.quora.com/If-I-have-glasses-with-a-high-prescription-which-glass-will-de-emphasize-the-strange-look-you-get-from-high-prescription-lenses/answer/Pav-Fallon?share=1)?