monocular
adjectiveUK /məˈnɒkjʊlə/
US /məˈnɑːkjələr/
Something monocular is made for just one eye.
He used a monocular telescope to watch the birds on the far hill.
OTHER MEANINGS
2. A small telescope or device that you look through with one eye.
She carried a monocular in her pocket to spot ships at sea.
3. Having or using only one eye.
The old pirate had a monocular look after losing an eye in a storm.
4. Relating to vision with a single eye rather than both eyes together.
Depth perception is weaker with monocular vision.