[jshorva65]

Cataracts occur when the laminated safety glass of the tube begins to separate from the tube's faceplate. They are most common with the 21FJP22, although they can occur with other tubes that have laminated safety glass such as 21GVP22 and even some rectangular tubes. Tubes such as the 15GP22, 15HP22, 21AXP22, 21CYP22, 21FBP22, and 21GUP22 cannot develop cararacts because the safety glass used with these tubes is a separate component and there is no adhesive bond between faceplate and safety glass on these tube types.