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Numbers and arrows should be seen clearly. Relaxation of accommodation can result in an increase in exophoria and a decrease in esophoria, leading to an inaccurate result; The examiner should check the function of the Maddox Wing Instrument before use; the septa can be easily bent, leading to the septa not covering the intended view.
A polyhedron comprising an n-sided polygonal base and a vertex point square pyramid: Prism: A polyhedron comprising an n-sided polygonal 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 hexagonal prism ...
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Group of original deck prisms. A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below. [1] [2] [3]For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks.
Heterophoria is an eye condition in which the directions that the eyes are pointing at rest position, when not performing binocular fusion, are not the same as each other, or, "not straight".
a prism of which the base is a parallelogram. ... A parallelepiped is a prism with a parallelogram as base. Hence the volume of a ...
It can be used to establish whether a patient has the ability for the eyes to fuse the light that is received from each eye into 4 lights. The test is indicated with the use of a presence of a prism in individuals with a strabismus and fusion is considered present if 4 lights are maintained, with or without the use of a prism. The W4LT can also ...
5 Strong bases. Toggle Strong bases subsection. 5.1 Superbases. 6 Weak bases. 7 Lewis bases. 8 Solid bases. 9 Bases as catalysts. 10 Uses of bases. 11 Monoprotic and ...