Near-sighted or dim-sighted.
Partially blind.
Lacking in discernment or understanding.
Capable of seeing distant objects; far-seeing.
Referring to parts being extended or retracted along coinciding axes (with or without direct contact between the parts).
Pertaining to, or carried out by means of, a telescope.
Seen by means of a telescope; only visible through a telescope.
Able to be extended or retracted by the use of parts that slide over one another.