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1 + 1 / 3 Minus-blue filter; complements #32 minus-green and #44A minus-red. Used with Ektachrome or Aerochrome Infrared films to obtain false-color results. Used in ophthalmology and optometry in conjunction with a slit-lamp and a cobalt blue light to improve contrast when assessing the health of the cornea and the fit of contact lenses ...
A wire signal is a brevity code used by telegraphers to save time and cost when sending long messages. The best-known code was the 92 Code adopted by Western Union in 1859. The code was designed to reduce bandwidth consumption over telegraph lines, thus speeding transmissions by utilizing a numerical code system for frequently used phrases.
92 Code: 72: Best regards: Amateur radio slang. While operating QRP / low power 92 Code: 73: Best regards: 92 Code: 75: Derogatory term for a disliked operator (Referring to 75 meter ham band) Amateur radio slang, USA only 77: Long Live CW (Morse Code), wishing you many happy CW contacts 88: Love and kisses: 92 Code: 99: Get lost!
Subjective Refraction is a technique to determine the combination of lenses that will provide the best corrected visual acuity (BCVA). [1] It is a clinical examination used by orthoptists, optometrists and ophthalmologists to determine a patient's need for refractive correction, in the form of glasses or contact lenses. The aim is to improve ...
Rates among adults are between 15 and 49% while rates among children are between 1.2 and 42%. [7] Far-sightedness more commonly affects young children, whose eyes have yet to grow to their full length, and the elderly, who have lost the ability to compensate with their accommodation system .
This "code" is one of many innocuous sounding secret codes that. If you've been shopping in a big box retail store you've probably heard an announcement on the loudspeaker such as, "code yellow ...
William E. Flanary is an American comedian, podcaster and ophthalmologist who performs under the stage name Dr. Glaucomflecken. He practices in Clackamas County, Oregon. Since 2016 he has become well known for making and uploading medical satire skits on Twitter, TikTok and YouTube. Since 2022, he has hosted a podcast called Knock Knock, Hi ...
In some offices, this process is used to provide the starting point for the ophthalmologist or optometrist in subjective refraction tests. Here, lenses are switched in and out of a phoropter and the patient is asked "which looks better" while looking at a chart. This feedback refines the prescription to one which provides the patient with the ...