My eyes have the problem of keratoconus and the last 10 years I live using rigid gas contact lenses. The last years piggy-backs. But I am not so satisfied with the precision and accuracy. To be more specific, I am not feeling that in our times this field is up to date. It is still in Machine Age. Nothing in harmony with the Information Age.

So I am wondering, I am kind of crazy to miss a contact lens with cpu and ram or something like that, being able to see other galaxies? On the other hand, these rigid gas ones are relatively cheap (100 - 200 Euro), and you can use them for 1-2 years but I can afford even 5000 euros every 6 months to have something better. But capitalism does not give me this opportunity. Hard and Scleral ones are on the same level, nothing completely serious.

My questions: Does this field really have problem of not being up to date? Why it happens? Or I have not understood something well? It is expected a new generation of contact lenses soon, and how it will be?

Thank you all for your answers.

  • 1
    What does your research say? Mar 6, 2018 at 0:08
  • 1
    I'm having a hard time figuring out if this question is legitimate or a troll. CPU, RAM, and seeing other galaxies? That sounds like troll. If it's not a troll, then the answer is there probably just isn't a market for contacts that cost 10K euros per year. Suggest you lookup Google Glass and see where the state of the art in high-tech eyewear is at.
    – Carey Gregory
    Mar 6, 2018 at 1:41
  • @CareyGregory Google were making a diabetes sensor that fitted to a contact lens. Mar 6, 2018 at 2:54
  • @GrahamChiu Not so much success there apparently but you're right that it's more of a thing than I realized.
    – Carey Gregory
    Mar 6, 2018 at 5:24
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    soft lenses are a bigger industry than hard lenses. However, hard lenses can resolve refractory problems that soft lenses cannot, and for some (after an adjustment period) they can as comfortable. If the hard lenses industry were larger and more profitable, then there would be more research and development, and even more successful varieties of hard lenses. There would likely be superior rigid gas permeable (RGP) lens materials, superior solutions that provide better cleaning and greater comfort, and probably more fitting options, perhaps even monthly extended wear.
    – user12711
    Jun 9, 2018 at 17:17

1 Answer 1


I've read that SCL (soft contact lens) industries are developing soft lenses for keratoconus. My guess is that they would have a potential advantage in comfort, especially in the initial month or two of wear. But, I can't imagine them having any vision advantages.

I'm an experienced 30 year contact lens wearer and a technically studied person. I've worn first generation soft lens, and the new silicone hydrogel Continuous wear lens (one month). And I've worn corneal gas permeable lenses, both first generation (silicon acrylate) and current generation (fluorosilicone acrylates with low silicon content), which are far better than the originals for myself.

As far as "high-tech" or "sci-fi" type lenses, there are "zoom" contact lenses under development, for instance with 2x magnification. They work in conjunction with a pair of glasses which magnify the image, and may be handy for those with very high myopia or low vision, since the stronger the diopter power the smaller the focused image is on the retina. Also, there are new improvements being made with toric lenses in the SCL market, which gas permeable lenses have had an advantage in. On the issue of eye health, gas permeable lenses are remain the safest, reducing the chance of infection to a third of that of soft contact lenses. This is probably because soft contact lenses absorb liquids and bacteria, while gas permeable lenses do not. So imagine a kitchen with a sink sponge that collects bacteria and never gets replaced. That's comparable to a soft contact lens that rarely gets replaced. Also imagine a dinner plate in the kitchen sink. It gets washed off very well, over and over and over, and remains clean. This is like a gas permeable lens.

Finally, gas permeable lens are likely to remain the top lenses of choice when SCL fail to correct the vision adequately. This is because they are perfectly shaped, and rest on the cornea (corneal lenses) and thereby the cornea is optically replaced by the perfect shape of those hard lenses, even molding it to the lens shape over time (orthokeratology is a field that corrects myopia by temporarily molding the cornea to correct the vision instead of surgery, and it's benefits, and side effects, are temporary) .

On the other hand, soft contact lenses conform to the shape of the cornea, and either add diopter power to it, subtract from it. Any irregularity or higher order aberration in the cornea will remain after the soft contact lens conforms to the irregularity. For myself, I currently use Rigid Gas Permeable lenses (RGP) because they correct my vision better, and even though I have myopia, I couldn't read well with soft lenses. After a couple of months of adaptation, I found them to been more comfortable than soft lenses (except during pollen season). I think this is mainly due to their cleanliness. They remain crystal clean every day, where as soft lens collect more and more deposits day by day until disposal. So for me, each day is like a fresh pair of lens. However, I never did try the daily disposable soft contact lenses, which may solve the comfort problem I had.


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