Know The Glow ®


Know the Glow is a global nonprofit leader in identifying preventable glow-related childhood eye diseases.

We empower parents to see their child’s vision in a new light by raising awareness about The Glow (medically known as leukocoria) and encouraging them to make sure their young children receive comprehensive eye exams by an eye specialist.

When caught early, more than 80% of all childhood blindness is preventable


Share Your Glow Story

80% of the time a parent
or family member is the
first to identify “The Glow”
in a child’s eye.


80% of all childhood blindness is
preventable or curable.


1 in 80 children may show the glow
before age nine.

Glow Videos

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Glow Identification

Know The Glow


Diseases common to “The Glow”:

  • Amblyopia
  • Brown Syndrome
  • Cataract
  • Choroidal Osteoma
  • Coats’ Disease
  • Coloboma
  • Congenital Cataract
  • FEVR
  • Intraocular Medulloepithelioma
  • Norrie Disease
  • PHPV
  • Refractive Error
  • Retinal Detachment
  • Retinal Dysplasia
  • Retinopathy of Prematurity (ROP)
  • Retinoblastoma
  • Strabismus
  • Toxocariasis
  • Trauma


know the glow cancer-free wrestling belt navarette

Celebrate a cancer-free milestone with Know The Glow!

Posted on 2019-02-18

In 2017, the Navarrete family celebrated their son, Lucas’, five-year cancer-free anniversary and now the Navarrete family is honoring one lucky child and their cancer-free milestone in honor of their own son’s heroic fight against cancer!   Their story began when the pediatrician at Lucas’ six-month checkup noticed that his eye turned inward. They were… Read more »

know the glow valentines day

Share the Love, Know “the Glow”!

Posted on 2019-02-14

Roses are red Violets are blue Please watch for “the Glow” It could be a clue! Happy Valentine’s Day from Know The Glow! On this day dedicated to love, we can think of no better way to celebrate than encouraging you to share the love! Let your loved ones know about “the Glow,” the yellow-white… Read more »

glaucoma awareness month know the glow

January is Glaucoma Awareness Month

Posted on 2019-01-31

The month of January is a crucial time to spread awareness of the “sneak thief of sight” — Glaucoma. Glaucoma is the most common cause of blindness in the US. Three million people already have Glaucoma and there are some predictions that the number will rise by 58% to over 4 million in the next… Read more »