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The prism fusion range ( PFR) or fusional vergence amplitude is a clinical eye test performed by orthoptists, optometrists, and ophthalmologists to assess motor fusion, specifically the extent to which a patient can maintain binocular single vision ( BSV) in the presence of increasing vergence demands. Motor fusion is largely accounted to ...
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...
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 pressure swing adsorption (PSA) process is based on the phenomenon that under high pressure, gases tend to be trapped onto solid surfaces, i.e. to be "adsorbed". The higher the pressure, the more gas is adsorbed. When the pressure is dropped, the gas is released, or desorbed.
A trust fund that gets money from a gas tax helps — it currently holds about $1.5 billion — but the program costs states and the federal government about $1 billion a year beyond the fund.
The greater your rate of return and the longer you leave your cash invested, the more you'll have by retirement. For our example, let's say you invest $10,000 in a 401 (k) today and you aim to ...
Transcatheter pulmonary valve replacement ( TPVR ), also known as percutaneous pulmonary valve implantation ( PPVI ), is the replacement of the pulmonary valve via catheterization through a vein. It is a significantly less invasive procedure in comparison to open heart surgery and is commonly used to treat conditions such as pulmonary atresia.
The end result has been that Google’s greenhouse gas emissions have soared 48% since 2019, according to the tech giant’s annual environment report. The tech giant blamed that growth mainly on ...