Name the body part with which the terms myopia and hypermetropia are connected.

Name any two defects of vision which can be corrected by using spectacles.

Name one defect of vision (or eye) which cannot be corrected by any type of spectacle lenses.

What is the far point of a person suffering from myopia (or short-sightedness)?

Where is the near point of a person suffering from hypermetropia (or long-sightedness)?