Dear, red eye has many causes. You have to see if it is associated with blurring of vision, pain
, discharge and other complaints. But commonly its allergic or ineffective in origin ie allergic or ineffective conjunctivitis
. Which has simple treatment protocol. But still its wise to see an ophthalmologist
for a thorough slit lamp examination to rule out other differentials for red eye.
Get an orthoptics checkup for eye muscle weakness and practice eye exercises for muscle strengthening.