Wednesday 15 February 2017

LOOK CLOSER (BY SHAHID DEFOE)

Did you know that a simple photograph could provide potentially life-saving information about the health of a child's eyes?According to an old article circulating around social media which was featured on channel 3 news was “One day Tara Taylor posted a photograph of her 3-year-old daughter on Facebook, friends in her social network informed her that the glow in the girl's eye could indicate something wrong.” As a result, Rylee Taylor was diagnosed with a rare eye disease that can cause vision loss, but thanks to early detection was able to save her sight. Paying close attention to photos of children can actually clue us into both common and rare eye problems signaled by the reflection of the camera flash off the retina, also known as the "red reflex."
A red reflex is produced when the flash of a camera lights up the blood-rich retina. If the eyes are looking directly at the camera lens and the color of the reflex in both eyes is red, in most cases that's a good indication that the retinas of both eyes are unobstructed and healthy.An "abnormal red reflex" is a white, yellow or black reflection in one or both eyes. This can be a warning sign for the presence of an eye condition, which can be diagnosed by a pediatric ophthalmologist (specializes in the care of children's eyes)
On rare occasions, abnormal red reflexes can signal more dangerous eye conditions.

An asymmetrical red reflex, when only one eye reflex appears red, or one eye's red reflex is dimmer than the other, may be an indicator of strabismus, or misalignment of the eyes, a condition in which both eyes do not look at the same place at the same time. Treatment for strabismus may include eyeglasses, prisms, patching or blurring the strong eye, or eye muscle surgery. If detected and treated early, strabismus often can be corrected with excellent results.

A white reflex that covers most of the pupil, also known as leukocoria, can be a red flag for several serious eye disorders including cataracts, retinal detachments and infections inside the eye. It can also be a warning sign of retinoblastoma, an extremely rare and very serious childhood cancer of the eye. When caught and treated early, retinoblastoma is curable 95 percent of the time.

A yellow reflex can be a sign of Coats' disease, when blood vessels inside the eye that provide blood and oxygen to the retina become twisted and leaky, creating a blockage in the retina that can cause vision loss or retinal detachment. It occurs mostly in boys under age 10, and usually affects only one eye. Treatment can include laser surgery, cryotherapy or, in later stages of the disease, more invasive surgery.


Coats' disease can be difficult to distinguish from a retinoblastoma through photographs because the white and yellow reflexes look similar.
Children pictures taken especially at night where the glow could be seen clearly should be looked over because early discovery about a rare disease could save many lives.

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1 comment:

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