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Drift seeds of three legume species found at Kanda on the southern Mozambique coast in May 2004: 1. Snuff box sea bean (Entada rheedii)2. Grey nickernut (Caesalpinia bonduc) 3. a,b Colour forms of ox-eye beans (Mucuna gigantea)
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••Snellen's near chart (1/17th reduction of distant chart)-do-; standard chart of alphabets; video link •Colour vision: to test colour vision ••Ishihara's chart: to determine the type of colour blindness Stenopaeic slit: detection of axis of the cylindrical (astigmatism) power of the eye; glaucoma testing Implants - •Intraocular lens
Landolt C optotypes in various sizes and orientations Golovin–Sivtsev table. The Landolt C, also known as a Landolt ring, Landolt broken ring, or Japanese vision test, is an optotype: a standardized symbol used for testing vision.
An example of the Landolt C eye chart (also known as the Japanese eye chart). Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision, while the ETDRS chart is designed for use at 4 meters. [16]
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Terminalia ivorensis is a species of tree in the family Combretaceae, and is known by the common names of Ivory Coast almond, [2] idigbo, black afara, framire and emeri. [ 3 ] Description