a condition that results in raised pressure within the skull.

(far or long-sightedness) is a visual defect in which objects appear blurred because their images are focused behind the retina rather than on it.

a type of vertical squint.

a large angle convergent squint that develops within the first 6 months of life.

a muscle which moves the eye upwards when the eye is turned towards the nose.

lower muscle of the eye.

a type of intermittent divergent squint.

outer muscle of the eye.

inner muscle of the eye.

(near or short-sightedness) is a visual defect in which distant objects appear blurred because their images are focused in front of the retina rather than on it.