3. Acuity
4. Color vision function
5. Degree of opacity of the lens
6. The possibility of a detached retina
Yearly, the doctor should test for refraction, acuity, and accommodation.
Make sure your health insurance covers bifocals and other glasses that your employees wouldn’t need except for your CRT.
CRTs: Should They Go Down the Tube?
Yes. Not immediately. But sooner or later. CRTs are harder on the eye than the better flat screens will eventually be, and although scientists haven’t proved that CRTs are a radiation threat, the small possibility remains.
These bulky antiques, however, have been to the computer establishment what gas guzzlers were to Detroit. The CRT isn’t the most promising kind of computer screen—just the most entrenched.[[47]]
Admittedly, CRTs have improved to the point where some pocket-sized TVs can use them. But in compactness and low-power consumption, CRTs will never rival the flat-screen displays.