weaker eye

[ˈwiːkər aɪ]
nounpl: weaker eyes
olho mais fraco
1. The eye with inferior visual acuity or refractive power in a person with unequal vision between the two eyes
The patient's weaker eye has a prescription of -4.50 diopters.
O olho mais fraco do paciente tem uma prescrição de -4,50 dioptrias.
2. In ophthalmology, the eye that requires correction or has lower visual performance compared to the other eye
During the eye exam, the doctor identified his weaker eye and prescribed corrective lenses.
Durante o exame oftalmológico, o médico identificou seu olho mais fraco e prescreveu lentes corretivas.
This is primarily a medical/technical term used in ophthalmology and optometry practices. In both Brazil and the USA, it is standardized terminology used by eye care professionals during vision examinations and when prescribing corrective lenses. The term is neutral and clinical in nature.
Synonyms / Sinônimos
amblyopic eyelazy eyeeye with lower acuitynon-dominant eye
Antonyms / Antônimos
stronger eyedominant eyeeye with better vision

Regional Variations

General Brazilian
olho mais fraco
Standard medical term used throughout Brazil
São Paulo
olho mais fraco
Same as general usage; medical terminology is standardized
Portugal
olho mais fraco
Same term used in Portuguese ophthalmology
USA English
weaker eye
Standard term in American ophthalmology and optometry

Related Words

visual acuityrefractive erroramblyopiaprescriptionophthalmologyvision correction

Related Idioms & Phrases

turn a blind eye
weak vision
correcting the weaker eye
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