English and American medical terms are multilingual in Greek and Latin.

Ophthalmology comes from Latin ophthalmia.

It comes from the Greek word θ ψ θ ζ μ ι λ.

Mostly because the medicine of the Greeks and Romans was developed, but the Nordic countries were not civilized at that time, so a large number of medical words were adopted by them and still used today.

Eye comes from Middle English and is only used in daily life.