Red Eyes

Redness has many causes

Redness on its own says little, so look at what comes with it. Itch, especially with sneezing, points to allergy (see itchy eyes). A gritty, burning feeling that is worse with screens, wind or dry air suggests dry eyes. Discharge that sticks the lids together on waking is common with infective conjunctivitis, which spreads easily. A red eye that is painful, makes bright light hurt, or comes with a sudden change in vision is different: see a doctor promptly or go to a hospital emergency department.

Who to see, and what drops can and can't do

You can book an optometrist directly, without a GP referral. If conjunctivitis hasn't started to improve after 1 to 2 days, a doctor, pharmacist or optometrist can work out the likely cause. Antibiotic drops only help bacterial infections; they do nothing for viral, allergic or irritant conjunctivitis. If you wear contact lenses and your eye turns red, take the lenses out and get checked promptly. Lens wear, especially overnight, raises the risk of a corneal ulcer, and early treatment helps protect your sight. For advice at any hour, call the healthdirect helpline on 1800 022 222.

Sources: healthdirect — Conjunctivitis (pink eye); healthdirect — Dry eyes; healthdirect — Corneal ulcers; Better Health Channel — Optometrist