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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]
The Black Veil Respirator. The German army used chlorine as a poison gas for the first time against Allied troops at the Second Battle of Ypres on 22 April 1915. [1] As an immediate response, the British began issuing cotton wool wrapped in muslin to its troops by 3 May. [2] This was followed by the Black Veil Respirator, invented by John Scott ...
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]
M17 gas mask. M40 field protective mask. MCU-2/P protective mask. Categories: Military equipment of the United States.
Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...
From the woman who invented fashion jeans for women, Gloria Vanderbilt has been an iconic name in the industry for decades. If you're looking for denim that's designed to fit real women of all ...
Women 50+ love how well it masks under-eye circles, redness, blemishes and more. ... In fact, over 145,000 have given the product a five-star rating.
2006–present. Specifications. Weight. 1.9 lbs (M50) The M50 series protective mask, officially known as the Joint Service General Purpose Mask ( JSGPM or JSGPM/M50 ), is a lightweight, protective mask system consisting of the mask, a mask carrier, and additional accessories. It was adopted by the U.S. military in 2006 and is manufactured by ...