ocular
/ˈɒkjələ(r)/ (bre, ipa) · /ˈɑːkjələr/ (ame, ipa) · /ˈä-kyə-lər/ (ame, mw)
ocular — adjective
- ocularpositive
- more ocularcomparative
- most ocularsuperlative
1. having to do with the eyes or with seeing things — used mainly in medical, scien
having to do with the eyes or with seeing things — used mainly in medical, scientific, or technical writing.
Dr. Eitan ordered a full ocular exam after Iris kept rubbing her right eye.
attributive: ocular + medical noun (exam, infection, nerve)
The school nurse handed Arjun a leaflet about common ocular problems in young readers.
noun phrase: ocular problems / conditions / diseases
Severe diabetes can lead to ocular damage if blood sugar stays high for many years.
Salma works in a clinic that treats ocular injuries caused by sports and car accidents.
The new drops are designed to reduce ocular pressure in patients who have glaucoma.
- ophthalmic
even more technical; preferred in surgical and pharmaceutical labels (ophthalmic drops).
- optic
overlaps for nerves and pathways (optic nerve), but also covers light and lenses more broadly.
- visual
broader — covers seeing and images in general, not only the eye organ.
- auditory
of the ears or hearing — the parallel sense for a different sensory channel.
文法句型
ocular + noun (medical/optical)
用法筆記
Strongly attributive — sits in front of a noun (ocular nerve, ocular exam, ocular surgery). In everyday speech a Taiwanese learner would hear 'eye' (an eye exam, an eye problem) instead; reserve ocular for clinical, scientific, or formal contexts.
常見錯誤
2. able to be looked at directly, so a person can confirm something with their own
able to be looked at directly, so a person can confirm something with their own eyes rather than relying on someone else's report.
The detective wanted ocular proof that the safe had been forced open before filing charges.
fixed phrase: ocular proof / evidence / inspection
Greta refused to sign the form without an ocular inspection of every storage room.
ocular + inspection in legal or audit settings
Without ocular evidence of the leak, the insurance company would not approve the repair bill.
Léa told the judge that her bruised arm was ocular proof of the attack.
- visual
neutral everyday word; ocular sounds legal or archaic in this sense.
- first-hand
stresses personal observation; ocular evidence ≈ first-hand evidence in court-style language.
- hearsay
second-hand report rather than direct sight — the legal opposite of ocular proof.
文法句型
ocular + evidence/proof/inspection
用法筆記
Distinguish from sense 1 (OF THE EYES): this sense modifies abstract nouns like proof, evidence, or inspection, meaning the thing can be confirmed by looking. Common in legal, formal, and slightly archaic writing; in modern English most writers swap in 'visual' or 'first-hand'.
常見錯誤
ocular — noun
1. the small lens at the end of a microscope or telescope that you put your eye aga
the small lens at the end of a microscope or telescope that you put your eye against to look through.
Rin wiped dust off the ocular before her biology partner peered through the microscope.
countable: an / the ocular of a microscope
The astronomy club replaced the cracked ocular on the old school telescope last weekend.
Dewi adjusted the ocular until the tiny insect on the slide came clearly into focus.
Each student gets a soft cloth to clean the ocular after every lab session.
- eyepiece
the everyday word; preferred by most teachers, shops, and instruction sheets.
- objective
the lens at the far end of a microscope, facing the specimen — paired with the ocular at the viewing end.
文法句型
the ocular of a microscope/telescope
用法筆記
Synonym for 'eyepiece'; both are correct, but 'eyepiece' is the term you will hear in most school labs and shops, while 'ocular' is preferred in technical manuals and academic papers. Often takes 'of' + the instrument: the ocular of the microscope.