Symptoms
These are the most common symptoms that those affected by retinoblastoma may experience.
Leukocoria

White glow in the center of the eye.
Strabismus

Deviation of the eyes.
Painful glaucoma

Eye redness, swelling, and pain.
Heterochromia of the iris

Different colored iris in each eye.
Absence of the red pupillary reflex

Absence of the red pupillary reflex.