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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 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 ...
Gauge pin is similar to a gauge block. It is a precision ground cylindrical bar for use in Go/no go gauges or similar applications. Go/no go gauge: an inspection tool used to check a workpiece against its allowed tolerances. Its name derives from its use: the gauge has two tests; the check involves the workpiece having to pass one test (Go) and ...
Angle gauge. An angle gauge is a tool used by foresters to determine which trees to measure when using a variable radius plot design in forest inventory. Using this tool a forester can quickly measure the trees that are in or out of the plot. An angle gauge is similar to a wedge prism though it must be held a fixed distance from the eye to work ...
Metric gauge block set, 112 pcs Another set with 8 pcs, 125 mm - 500 mm Trolley model. Gauge blocks (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are a system for producing precision lengths. The individual gauge block is a metal or ceramic block that has been precision ground and lapped to a specific thickness. Gauge ...
NASA astronaut Frank Rubio gives a thumbs up as he is carried to a medical tent after his landing in September in a remote area of Kazakhstan. Rubio logged 371 days in space aboard the ...
Cognitive shuffling is also similar to yoga nidra, which is the practice of mentally scanning the body by slowly bringing awareness to each part. Yoga nidra may improve sleep because it calms the ...
The Black Hills Ordnance Depot (BHOD) was a munitions storage and maintenance facility formerly operated by the United States Army Ordnance Corps. The depot was located in Fall River County, in far southwestern South Dakota about eight miles south of the town of Edgemont. [ 1] BHOD was established and constructed in 1942, to help meet the Army ...