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Description ( notes ) AC. Anterior chamber. fluid-filled space between the iris and the endothelium. AC 4/4. Grade 4 anterior chamber angle. open angle between cornea and iris. AC 3/4. Grade 3 anterior chamber angle.
Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.
Lighting for the elderly. Designing lighting for the elderly requires special consideration and care from architects and lighting designers. As people age, they experience neurodegeneration in the retina and in the suprachiasmatic nucleus (SCN). Less light reaches the back of the eyes because the pupils decrease in size as one ages, the lens ...
The best tablets for seniors in 2024, tested and reviewed. Rick Broida. Updated April 16, 2024 at 9:50 AM. Clockwise from upper left: GrandPad, Amazon Fire HD 8 Plus, Lenovo Tab P11 Pro, Apple iPad.
Sunbeam 16988 5-In-1 Night Light & Emergency Flashlight. To see in the dark — and during a power outage. $40 at Walmart. Jellas Sock Aid Device. To make putting on and taking off socks easier ...
Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor ...
Best overall phone for seniors. $87 at Amazon. Consumer Cellular Verve Snap. Best flip phone for seniors. $59 at Consumer Cellular. SAMSUNG Galaxy A23 5G A Series Cell Phone, Factory Unlocked ...
Lea test. logMAR chart. An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.