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A visual field test; the most common type is called a Humphrey Visual Field 30-2 test; older and less common visual field tests include Goldmann visual fields and tangent screen visual fields.

Source: I am an Optometrist

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12y ago
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11y ago

Typically, your eye doctor will perform some type of visual field test during your comprehensive eye exam to determine what you are able to see peripherally.

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12y ago

visual field testing

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13y ago

field of vision test

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glaucoma

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Glaucoma

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Q: Which diagnostic test is performed to determaine losses in peripheral vision?
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Is visual field testing performed to determine the presence of cataracts?

no visual field testing is used to determine peripheral vision losses


What medical test is performed to determine losses in peropheral vision?

6/6 or 20/20


How does the body Radiate energy?

The Inhibition of the Vasomotor Center causes peripheral vasodilation, and warm blood flows to the surface of the body. The skin takes on a reddish color, skin temperatures rise, and radiational and convective losses increase.


Which losses are obtained form open circuit test in transformers?

This depends on the open circuit test performed and the type of transformer. In a Y/Y/D three phase transformer, the Z1N0 test losses are a measure of the high to tertiary resistance values (in the classic T model, most of this will be the tertiary resistance). Similarly the Z2N0 losses are a measure of the low to tertiary resistance.


What are the different kinds of losses in machines?

stray losses,armature copper losses,iron losses(Hysteresis and eddy current losses),mechanical losses(friction and windage losses)


What are the constant losses in a DC machine?

Constant losses Those losses in a d.c. generator which remain constant at all loads are known as constant losses. The constant losses in a d.c. generator are: (a) iron losses (b) mechanical losses (c) shunt field losses


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When an evaluation is not performed the company could not see the important factor that are missing, that would could be detrimental in a profit or losses.


Why the iron losses absent in short circuit test?

Because a short-circuit test is done at very low voltage to check the transformer windings on their maximum current. The low voltage ensures that the magnetic flux in the transformer's iron core is very low so that the eddy-current losses, usually known as iron losses, are negligible.


What are the applications of losses in transmission line?

There are no applications for losses, that's why they are called 'losses'!


How many types of losses in transformer?

Basically two types: 1. Copper losses:- when the transformer is loaded, current flows in primary and secondary winding, there is loss of electrical energy due to the resistance of the primary winding, and secondary winding and they are called variable losses. These losses depend upon the loading conditions of the transformers. Therefore, these losses are also called as variable losses. 2. Iron losses or core losses:-The losses that occur in the core are known as core losses or iron losses. Two types of iron losses are: > eddy current loss > Hysteresis loss.


How do you calculate copper losses?

copper losses are power losses due to flow of current in the wires or resistances,if the resistance is R, current is I then copper losses are I2R. for a 3-phase system; copper losses are same but for a single line, total losses are 3I2R.


Is it correct to say losses?

Yes, losses is the plural form of loss, e.g.:The company's losses were huge.Manchester United suffered several losses at the start of the season.