How many numbers (parameters) make up a contact prescription? | Hacker News

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		ape4 on Aug 6, 2018 \| parent \| context \| favorite \| on: Launch HN: JetLenses (YC S18) – Lowest Prices on C... How many numbers (parameters) make up a contact prescription?

dpandya on Aug 6, 2018 [–]

It depends on the particular contact lenses - can be anywhere from 1 - 8+.

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