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Comment by stratts | Hacker News Reader
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stratts
·
Daily isn't the only option - you can still get monthly lenses.
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ButlerianJihad
·
Like I said, with proper care and disinfection, permanent lenses could last for
years
, not days or months!
kube-system
·
Weren’t those the hard plastic ones with low oxygen permeability? They’re not as good for your eyes.
ButlerianJihad
·
No, they were soft, “hydrophilic” or for astigmatism, toric. The hard ones were old, old technology, and largely superseded.
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