In some states, opticians may be licensed to fit contact lenses. Opticians often work closely within the same practice as an optometrist or ophthalmologist, or an optician may have an independent practice. An ophthalmologist is a medical doctor who is specialized in eye and vision care.
Kant s links. http://comp.uark.edu/~rlee/semiau96/kantlink.html. For Kant the basis for a Theory of the Good lies in the intention or the will. Those acts are morally praiseworthy that are done out of a sense of duty rather than for the consequences that are expected, particularly the consequences to self. The only thing GOOD about the act is the WILL, the GOOD WILL.
Zeno of Citium, cast in Pushkin Museum in Moscow from original in Naples. Stoicism is a school of Hellenistic philosophy that flourished throughout the Roman and Greek world until the 3rd century AD. Stoicism is predominantly a philosophy of personal ethics which is informed by its system of logic and its views on the natural world.