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  2. Near visual acuity - Wikipedia

    en.wikipedia.org/wiki/Near_visual_acuity

    Near visual acuity or near vision is a measure of how clearly a person can see nearby small objects or letters.Visual acuity in general usually refers clarity of distance vision, and is measured using eye charts like Snellen chart, LogMAR chart etc. Near vision is usually measured and recorded using a printed hand-held card containing different sized paragraphs, words, letters or symbols.

  3. VSP Vision Care - Wikipedia

    en.wikipedia.org/wiki/VSP_Vision_Care

    VSP Vision Care (VSP) is a vision care health insurance company operating in Australia, Canada, Ireland, the United States, and the United Kingdom.It is a doctor-governed company divided into five businesses: “eye care insurance, high-quality eyewear, lens and lens enhancements, ophthalmic technology, and connected experiences to strengthen the relationship between patients and their eye ...

  4. Autorefractor - Wikipedia

    en.wikipedia.org/wiki/Autorefractor

    Shin Nippon Nvision K-5001 Refkeratometer The optics inside a Shin Nippon Nvision K-5001 Refkeratometer. The majority of autorefractors calculate the vision correction a patient needs (refraction) by using sensors that detect the reflections from a cone of infrared light.

  5. List of instruments used in ophthalmology - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    Instrument Uses Toric Marker: to mark 0 to 180 degree reference mark for Toric IOL implant Pre-chopper: to chop lens into pieces before implantation new lens and reduce phaco time

  6. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    Primary Eyecare Acute Referral Scheme WEHE Welsh Eye Health Examination WLVS Welsh Low Vision Service External links.

  7. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image.. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye.