Farsight; farsightedness; far sight; long sight(noun)
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Use "longsightedness" in a sentence
"Farsightedness, also known as longsightedness, is likely caused by a combination of environmental and genetic factors."
"Most cases of squinting are caused by longsightedness, the muscles being strained in the effort to obtain distinct vision."
"If you suffer from hyperopia, more commonly known as farsightedness or longsightedness, you may be interested to know that the world's first contact lens to correct the condition has been developed."