Ophthalmology is the specialty dealing with disorders and injuries of the eye... And ophthalmologist is the specialist responsible. Do not confuse with a optometrist. An optometrist only does basic diagnosis and fitting for eye ware.
A. that is the hypothesis
Cryptzoology is not considered a science, because some don't take it seriously, and scientists do not have a perfect explanation for it. So it is considered a psuedoscience.