Phakic

Also known as Intraocular Contact Lens. This is a tiny plastic lens that is placed inside the eye in front of the natural crystalline lens to provide additional refractive change. ...

phakic intraocular lens

Medical; Health care; Medicine

Lenses, generally made of plastic or silicone, that are implanted into the eye in front of the natural eye lens, by the iris, to improve ocular vision. These intraocular lenses ...

phakic intraocular lenses

Medical; Health care; Medicine

Lenses, generally made of plastic or silicone, that are implanted into the eye in front of the natural eye lens, by the iris, to improve ocular vision. These intraocular lenses ...

intraocular phakic lens

Medical; Health care; Medicine

Lenses, generally made of plastic or silicone, that are implanted into the eye in front of the natural eye lens, by the iris, to improve ocular vision. These intraocular lenses ...

ophthalmoscope

Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle

Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...

optical material

Eyewear; Optometry

Transparent material capable of being manufactured into optical components.

optical radiation hazard

Eyewear; Optometry

Possibility of damage to the retina by optical radiation.

optical centre

Eyewear; Optometry

For practical purposes, the intersection of the optical axis with the front surface a lens.

ophthalmoscope

Optometry; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

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Industry/Domain: Natural environment Category: Climate change

Earth Hour

Originated in Sydney in 2007, Earth Hour is a global event held annually on the last Saturday of March to raise awareness of the need to protect the ...