Pitfalls in eye testing of children
“Now we need to clear out the old unreliable vision charts that are still hanging in many Danish medical clinics. If for no other reason, then because the Danish Health Authority has issued new guidelines dictating the use of the Logarithmic scale.” This is the sentiment expressed by a large number of doctors and health…
The figure is used as an initial screening for the most common color vision anomalies, such as color blindness, where one cannot distinguish between red and green (deuteranopia). The tested person should be able to name the colors. The duochrome red-green test is also a standard tool for determining the eye’s refractive point (refraction). When…