• Visual Development: Binocular vision (using both eyes together) is not fully achieved until age 5. Disorders like strabismus (misalignment) must be corrected early to prevent amblyopia (lazy eye), which can cause permanent vision loss if the brain "turns off" the weaker eye.

High-Yield Eye Disorders

1. Conjunctivitis ("Pink Eye") Differentiation is key for treatment:

• Bacterial: Purulent (pus-like) discharge, mild pain, often unilateral. Tx: Antibiotic drops/ointment.

• Viral: Watery discharge, lymphadenopathy, tearing. Tx: Symptom relief only.

• Allergic: Itching is the hallmark symptom, watery/stringy discharge. Tx: Antihistamines.

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