To find a keratoconus specialist, you can:
Ask your regular eye doctor for a referral
Ask for recommendation in r/Keratoconus community on Reddit
>Ask for recommendation in Keratoconus Group's private Facebook group
Check online directories or databases of keratoconus specialists
Research the credentials and reputation of potential keratoconus specialists
Schedule a consultation with one or more keratoconus specialists and ask them questions