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A fixation disparity is not constant within a certain observer, but can vary depending on the viewing conditions. If test prisms with increasing amount are placed in front of the observer’s eyes, the fixation disparity changes in the eso direction with base-in prisms and in the exo direction with base-out prisms (Fig. 3).
Type genus images Acanthaceae (bear's-breeches family) [14] Acanthus, from Greek for "thorns" [15] [16] [17] 206 genera, mostly tropical, with some species in warm-temperate zones [14] [18] Annual and perennial shrubs, vines and herbaceous plants, with a few trees and mangroves. Many of the ornamental species have long-lasting flowers.
Exophoria. Exophoria is a form of heterophoria in which there is a tendency of the eyes to deviate outward. [1] During examination, when the eyes are dissociated, the visual axes will appear to diverge away from one another. [2] The axis deviation in exophoria is usually mild compared with that of exotropia.
Fruits including tomatoes, tomatillos, eggplant/aubergine, bell peppers and chili peppers, all of which are closely related members of the Solanaceae.. The Solanaceae (/ ˌ s ɒ l ə ˈ n eɪ s i. iː,-ˌ aɪ /), [2] or the nightshades, are a family of flowering plants that ranges from annual and perennial herbs to vines, lianas, epiphytes, shrubs, and trees, and includes a number of ...
Rosaceae (/ r oʊ ˈ z eɪ s iː. iː,-s i. aɪ,-s i. eɪ /), [4] [5] the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. [6] [7] [8] The name is derived from the type genus Rosa. The family includes herbs, shrubs, and trees. Most species are deciduous, but some are evergreen. [9]
Leaf whorls on a woody tree, Brabejum stellatifolium. In botany, a whorl or verticil is a whorled arrangement of leaves, sepals, petals, stamens, or carpels that radiate from a single point and surround or wrap around the stem or stalk. [1][2] A leaf whorl consists of at least three elements; a pair of opposite leaves is not called a whorl.
The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [1] Dissociation of the deviation is brought about by presenting a red line image to one eye and a white light to the other, while prisms are ...
Prism (geometry) In geometry, a prism is a polyhedron comprising an n-sided polygon base, a second base which is a translated copy (rigidly moved without rotation) of the first, and n other faces, necessarily all parallelograms, joining corresponding sides of the two bases. All cross-sections parallel to the bases are translations of the bases.