cover test


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cov·er test

a test used for objective demonstration of ocular deviation in strabismus; may be performed by two methods: the cover-uncover test and the alternate cover test.

cover test

A test for heterophoria in which one eye is covered for several days, followed by measurement of the relative fusional vergence amplitude, the amount of prism a person can overcome and still maintain single (i.e., stereo) vision.

cover test

A test for squint (STRABISMUS). When the subject is looking at a small near object and the non-squinting eye is covered, the other eye will move to continue viewing. This repeatable observed movement indicates that a genuine strabismus is present.
References in periodicals archive ?
(38) In these cases, the alternating cover test typically reveals a vertical deviation that will increase in contralateral gaze, reduce in ipsilateral gaze, increase on ipsilateral head tilt and decrease on contralateral head tilt.
Cover test: se basa en la observacion del movimiento de refijacion del ojo desviado, cuando el ojo fijador esta ocluido.
* 22 (61.12%) patients had no deviation on prism bar cover test.
First, we calculated the number of patients who tested positive for anti-AChR-Ab and each ophthalmologic feature using ocular movement tests, such as duction and version assessments, followed by the alternate prism cover test, and these results were compared between the three groups.
The other more accurate way of assessing for a squint or a deviation of an eye is to perform a cover test, which is described as follows (Fig.
Many years later I was lucky enough to cover Test matches and got to know CMJ a little.
There is no interest cover test for the bond which matures in September 2044 and was priced at cost of funds of 5.087%.
Within three months she was sent to Lord's to cover Test cricket.
As we review the methods teachers use to prepare students for these types of tests, the amount of instruction time utilized to cover test materials, and the level of emphasis placed on these test the question of students' performance as well as academic success is a rising question.
Cover test. Para el cover test se necesita que el paciente tenga buena vision, capacidad para mover los ojos, atencion y cooperacion.
These are assessed by performing a horizontal head impulse test (a test of vestibulo-ocular reflex function), a test for direction-changing nystagmus, and an alternating cover test to test for skew deviation.
Measures welcomed by the industry include the 2% conversion charge based on gross market value, and a decrease in the interest cover test, a ratio of profits to interest, from 2.5 to 1.25, roughly equivalent to a gearing cap of 80% loan to value.