PRESBYOPIA

presbyopia, farsightedness

(noun) a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45

Source: WordNet® 3.1


Etymology

Noun

presbyopia (usually uncountable, plural presbyopias)

Inability of the eye, due to ageing, to focus on nearby objects; farsightedness

Antonyms

• myopia

Source: Wiktionary


Pres`by*o"pi*a Etym: [NL., from Gr. (Med.)

Definition: A defect of vision consequent upon advancing age. It is due to rigidity of the crystalline lens, which producepresbytia.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

12 November 2024

PLANTAIN

(noun) any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally


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Coffee Trivia

Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.

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