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MEMPHIS (WREG) – What most people would have overlooked, actually turned out to be a rare disease.

According to WREG, Tara Taylor posted a picture of her 3-year-old daughter Rylee on Facebook to show her friends.

She says she posted the picture because she was proud her daughter had fixed her own hair like a princess.

The picture showed her daughter’s left eye glowing.

After seeing the picture, a few of Taylor’s friends told her she might want to have a doctor look at her eye.

“They said ‘Hey, I’m sure it’s nothing. It’s probably the lighting, but your daughter’s eye is glowing and you might want to have it checked out because it’s a sign there could be an issue with her eye,’” said Taylor.

Taylor then took her daughter to her pediatrician as well as a retina specialist.

Experts diagnosed Rylee with Coat’s disease, a rare condition that causes vision loss or blindness in one eye.

According to Dr. Jorge Calzada with the Charles Retina Institute and Baptist Eye Clinic, the earlier they can treat the children, the better.

Dr. Calzada said, “The significant problem we have with children is that a child won’t say, ‘Mommy, I can’t see out of my right eye.’ It is usually caught in an expected way. When a child recognizes he cannot see or the parent recognizes they cannot see, it’s often because they’ve lost vision in both eyes.”

Taylor said there was no indication Rylee was having trouble seeing.

“She didn’t sit close to the TV. She is actually in gymnastics and can walk on the balance beam,” said Taylor.

She says she is grateful to the friends who pointed out the potential problem.