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Special considerations

If there are any of the following symptoms, have a professional eye examination:

• Difficulty focusing on near objects
• Objects or faces looking blurred or foggy
• Double vision
• Impression of "skin" or "film" over the eye
• Frequent changing of glasses
• Trouble seeing at night, trouble adjusting to darkened rooms
• Light flashes, dark spots, or ghostlike images
• Rainbow-colored rings around lights
• Straight lines look wavy
• Eye pain
• A curtain-like blotting-out of vision

If children have any of the following symptoms, they should also have a professional eye examination.

• Getting very close to an object (for example, television) in order to see it
• Watering eyes
• Crossed eyes
• Head-tilting
• Excessive blinking
• Squinting
• Difficulty in school