Basics · 7 min read
What is presbyopia? Symptoms, causes and solutions.
Why near vision fades from around 40, what is physically happening in the eye, and what can actually be done about it.
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Research and product notes from the Glassless team.
What we're learning about presbyopia, near-vision optics, and correcting the image before it reaches the eye.
Science · 9 min read
Human validation: two studies, 31 participants.
Induced defocus in 21 non-presbyopic testers, then an Android pilot with 10 real presbyopes — what worked, what didn't, and why.
ReadHistory · 6 min read
The evolution of vision correction.
From reading stones to progressive lenses to software: eight centuries of moving the correction closer to the image.
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