Like I said, with proper care and disinfection, permanent lenses could last for years, not days or months!

Weren’t those the hard plastic ones with low oxygen permeability? They’re not as good for your eyes.

	▲	ButlerianJihad 2 hours ago \| parent [-]
		No, they were soft, “hydrophilic” or for astigmatism, toric. The hard ones were old, old technology, and largely superseded.