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Hypertropia is a condition of misalignment of the eyes ( strabismus ), whereby the visual axis of one eye is higher than the fellow fixating eye. Hypotropia is the similar condition, focus being on the eye with the visual axis lower than the fellow fixating eye. Dissociated vertical deviation is a special type of hypertropia leading to slow ...
The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
Description ( notes ) AC. Anterior chamber. fluid-filled space between the iris and the endothelium. AC 4/4. Grade 4 anterior chamber angle. open angle between cornea and iris. AC 3/4. Grade 3 anterior chamber angle.
For the fiscal year 2009, about one out of every 100 taxpayers were chosen for an audit. In terms of numbers, 1.4 million taxpayers were selected for either a correspondence or a personal audit.
Excessive Deductions. Excessive deductions will quite often trigger audits, particularly those that appear out of line or above the norm for an individual's income bracket, says Reams of TaxBuzz ...
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
Section 183 of the United States Internal Revenue Code ( 26 U.S.C. § 183 ), sometimes referred to as the " hobby loss rule ," [1] limits the losses that can be deducted from income which are attributable to hobbies and other not-for-profit activities. Generally, losses which occur in for-profit activities are not limited and can be used to ...
Dissociated vertical deviation. Dissociated vertical deviation ( DVD) is an eye condition which occurs in association with a squint, typically infantile esotropia. The exact cause is unknown, although it is logical to assume it is from faulty innervation of eye muscles.