Alternatives
Products that do what Opti Crystal Liquid Crystal Eye Serum does
Rejuvenate your eyes with Liquid Crystal technology
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The Crystal-Clear Secret to Radiant Lips
Jun 2026 · cosmedix.com
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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
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2023 · varun.ca
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Elevate your skincare ritual with intelligent age-defense.
May 2026 · cosmedix.com
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Eye Doctor treatment for hydration & wrinkle care
Apr 2026 · cosmedix.com
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Two years ago, someone on HN shared an interesting ADHD hack: a tiny LED that blinks at 120 bpm and gradually slows to 60 bpm, supposedly helping your brain sync and calm down into focus mode. I found Qiaogun's implementation (ADHD_Blink) for M5StickC Plus, and adapted it for the newer M5StickC Plus2 with some tweaks - simpler 50% duty cycle flash, configurable ramp-down, auto sleep, etc. Honestly, I'm not sure if it actually works. I'll be trying it out myself to see. But the building process itself was quite fascinating. I used Claude Code for the entire implementation - from reading the…
Jan 2026 · github.com
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Brightness that feels as healthy as it looks
Apr 2026 · cosmedix.com
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Windows screen lenses for focus, creativity, color, fun.
Feb 2026 · gear.georgelongovitis.com
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