Causes of Watery Eyes: Watery eyes is a common symptom usually seen in many clinical cases. It is characterised by overflow of tears from the conjunctival sac.     There are two main reasons for watery eyes. They are :   1. Hyperlacrimation Hyperlacrimation is defined as excessive secretion of tears by the lacrimal gland. Hyperlacrimation is caused by : A. Primary Hyperlacrimation: Due to the effect of strong parasympathomimetic…

Extra Ocular Muscles are the muscles which help in the movement of the eyeball. They allow proper rotation of the eyeball and help in rotating the eyeball in various axes depending on combination of muscles involved.

Adduction: Movement of the eyeball towards the nose is called adduction. Abduction:  Movement of the eyeball away from the nose is called abduction. Depression:  Lowering of the eyeball is called depression Elevation:  Elevation of the eyeball Internal Rotation or Intorsion: It is the inward rotation of eye, where the top part of the eye moves towards the nose External Rotation or Extorsion:  External rotation of the eye, where the top…