second sight

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sec·ond sight

improved near vision in the aged as a result of increased refractivity of the nucleus of the lens causing myopia.
Farlex Partner Medical Dictionary © Farlex 2012


(sit) [AS. sihth]
1. The power or faculty of seeing.
2. Range of sight.
3. A thing or view seen. Synonym: vision; visual perception

blind sight

The ability to see that occurs in persons who are blind because of a brain lesion rather than damage to the eye. It is manifested by their being able to reach for and track an object. These individuals apparently do not know they can see.

day sight

Night blindness.

far sight


near sight


night sight

Day blindness.

old sight


second sight

Medical Dictionary, © 2009 Farlex and Partners

sight, second 

Improvement of near vision in the elderly resulting from increased refraction of the nucleus of the crystalline lens. It often occurs in people with incipient cataract. Syn. gerontopia; senile lenticular myopia.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
As he did in his portrayal of Charles Edward, Scott gave the political significance of second sight in Waverley a romantic aura of chivalric defeat.
Gregoire Cosendai, Ph.D., head of Second Sight's Europe operations, said that Germany and Italy have shown "tremendous acceptance" to the system, showing commitment to providing it to patients at no cost.
She appears on the Sky Channel show Psychic Interactive and is releasing her first DVD, Second Sight, in January.
In the eighteenth century this was a strict Calvinist faith, allowing no room for such unusual events as Second Sight. Anyone showing signs of having this gift was prayed for in church and had the bible held over their head.
The hip hop archive serves as a miniaturized repository for vast interactive historical material - interactive because all archival material is handled by the archivist, who listens carefully (with Du Boisian "second sight") for the beats and shippers which will accompany and be accompanied by vocalized narrative.
The draft policy recommends that the device is funded under the Commissioning through Evaluation (CtE) programme, which is usually recommended when NHS England believes that a treatment can offer clinical benefits, but wants to collect more evidence, a spokesperson for Second Sight explained.
Second Sight's Argus II System provides electrical stimulation that bypasses the defunct retinal cells and stimulates remaining viable cells inducing visual perception in individuals with severe to profound retinitis pigmentosa.
But according to Brian Mech from Second Sight, the creator of a similar implant, numbers aren't everything.
The Second Sight project involves technology which is being used for the first time in the North East, and for only the third time at a historical site anywhere in the UK.
I EXPECT a lot from the well-paid officials who run our lives but I don't expect second sight.