Alternatives

Products that do what VertexLensCalc. - Eye Prescription does

Eyeglass to contact lens prescription converter

1. 1
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2. 2
   Simple Contacts▲279

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6. 6RO
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   Last summer there was an Ask HN[1] about a Nature article that said bluring the blue and green color channels on screen may be good against early myopia development. The OP wanted such software and there was none available. So I quit my job and implemented this software, did a short video with a 3D artist about it. Turns out marketing is expensive, so I made an open source browser extension version too. How it works? There is a small neural network on the retina that tries to detect if the eye is far-sighted(most people are born far-sighted), and it is producing dopamine to slow or increase…

   2024 · refractify.io

7. 7
   Topology Eyewear▲152

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8. 8
   Felix Gray Computer Glasses▲308

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9. 9
   Frameri▲68

   Changeable glasses lenses.

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10. 10
    Blink▲102

    Easy eyeglass prescriptions without leaving home

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11. 11
    Spectacles v2▲380

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12. 12
    Smart Contact Lens▲81

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13. 13
    Ray-Ban Meta G2 Blayzer & Scriber Optics▲115

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14. 14
    Oakley Meta Glasses▲390

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15. 15
    Opternative▲89

    Online eye exams - prescription in 10 minutes!

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16. 16SC
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    Open Optical Designer, free and open source lens design software▲59

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    Feyenally▲61

    Smartphone eye tests for refractive errors

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19. 19
    IRL Glasses▲377

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20. 20
    TriLens▲154

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21. 21
    Datastripes Lens▲94

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22. 22
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23. 23
    4Eyes ▲4

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24. 24
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