*Being black or of Caribbean descent.
*Having diabetes.
*Being very near-sighted.
*Having had eye surgery or eye injuries.
*Use of steroid medications for lengthy periods.
The warning signs of glaucoma include:
*Frequent changes of eyeglasses, none of which is satisfactory.
*An inability to adjust eyes to darkened rooms, such as movie theaters.
*Blurred or foggy vision.
*Rainbow-colored rings around lights.