Weren’t those the hard plastic ones with low oxygen permeability? They’re not as good for your eyes.
No, they were soft, “hydrophilic” or for astigmatism, toric. The hard ones were old, old technology, and largely superseded.
alt Hacker News
No, they were soft, “hydrophilic” or for astigmatism, toric. The hard ones were old, old technology, and largely superseded.