PHORIA Phoria, or hidden squint, is a latent eye condition where the eyes tend to drift out of alignment when binocular vision isn't required, manifesting as esophoria (inward drift), exophoria (outward drift), hyperphoria (upward drift), or hypophoria (downward drift). Often asymptomatic, it can cause eye strain, headaches, blurred vision, and fatigue, especially when tired or stressed. Diagnosis involves cover tests, Maddox Rod tests, or phoropter examinations, and treatments include correctiv