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Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex. Light will be bent towards the base and the image will be shifted towards the apex.
If the patient saw a red line to the right and white light to the left, they are said to have esotropia or esophoria (uncrossed diplopia) in which base out (BO) prisms of increasing strength are used until the lines are superimposed.
Incomitant strabismus cannot be fully corrected by prism glasses, because the eyes would require different degrees of prismatic correction dependent on the direction of the gaze. Incomitant strabismus of the eso- or exo-type are classified as "alphabet patterns": they are denoted as A- or V- or more rarely λ -, Y- or X-pattern depending on the ...
Retailers like Home Depot supply cops with the key evidence to bust organized crime rings.
While people are still spending money on less expensive home decor projects, Saunders says Home Depot faces more competition in that area from garden centers, paint specialists and others and...
From now until March 31, Costco shoppers can snag up to $3,000 off the Yardline Upton Wood Shed. Admittedly, simply reading the word "shed" might conjure visions of craft stations and tools as far ...
Where appropriate, prismatic correction can be used, either temporarily or permanently, to relieve symptoms of double vision. In specific cases, and primarily in adult patients, botulinum toxin can be used either as a permanent therapeutic approach, or as a temporary measure to prevent contracture of muscles prior to surgery
After a four-week internal investigation at $14 billion electronics manufacturer Jabil Inc., CEO Kenneth “Kenny” Wilson has abruptly resigned just after passing his one-year anniversary at the ...
Fifty-six scanning systems that can detect fentanyl in personal vehicles at southern U.S. border crossings will now be installed because of $200 million in new funding that was approved by ...
List of British Rail TOPS depot codes. From the introduction of TOPS in 1973, all British Rail diesel and electric locomotives and multiple units were allocated to a particular traction maintenance depot or TMD. Drawing from the terminology of steam traction, these depots were generally referred to as "sheds", and indeed most locations were ...