they're spelt differently.
Optometrist? Optician?
Ans: Optician makes or sells spectacles By Harry Allen
optician
An optician designs and fits the glasses needed to correct a person's vision. This includes grinding the lenses according to the prescription given by an optometrist.
optician
optician
Optician training is not terribly hard - an optician is an eyeglass fitter and adjuster. An opticianis not a doctor like an optometrist or an ophthalmologist is, so the training is not nearly as extensive.
Ophthalmologist
A vision doctor is an optometrist or an ophthalmologist. Both take care of vision but one has a medical degree and the other is a doctor of optometry and has a DO degree.
An optician or optometrist
Some words that start with opt are: option, optimal, optician, optimize.
An optometrist, ophthalmologist, or an optician.