GROSS ANATOMY

Detailed explanation-1: -The lateral canthus is located approximately 5 to 7 mm medial to the bony orbital margin and lies directly on the globe. The medial canthus is at the medial orbital margin but is separated from the globe by a reservoir for the pooling of tears, the lacrimal lake.

Detailed explanation-2: -The medial canthus is the corner of the eye where the upper and lower lids meet. It is structurally very complicated as it is the connection point of the upper and lower lid and the nasal bridge.

Detailed explanation-3: -Palpebral fissure length: distance between the inner and outer canthi of the eye; the actual palpebral fissure encompasses the exposed area between the top and bottom eyelids. The adult palpebral fissure is typically about 3 cm horizontally and 0.8 to 1.1 cm vertically.

Detailed explanation-4: -noun. : the space between the margins of the eyelids. called also rima palpebrarum.

Detailed explanation-5: -SHRF is an autosomal recessive disorder characterized by short stature, brachydactyly, dysmorphic facial features, hearing loss, and visual impairment. Onset of the hearing and visual abnormalities, including retinitis pigmentosa, varies from birth to the second decade.