Pain on eye movement can be caused by contact lenses, allergies, infections, injuries and inflammation as well as rubbing your eyes, prolonged screen time, wearing the wrong glasses, swimming in a pool which chlorine or getting something stuck in your eye.
Dry eye and increased intraocular pressure from acute angle closure glaucoma can also cause pain on eye movement.
Acute intraocular pressure from acute angle closure glaucoma can cause pain on eye movement and disordered eye motility and the pain on eye movement can also occur as a result of scleritis and orbital cellulitis.
Pain on eye movement can also be caused by optic neuritis which is a condition in which your optic nerve becomes inflamed and leads to pain and vision loss.
Optic neuritis is also often associated with multiple sclerosis although it can also be caused by other conditions or even occur on it's own.
Symptoms of optic neuritis are sudden or gradual reduction in vision, which often occurs in one ye, with central vision loss being common.
Eye pain is another symptom that worsens with eye movement, that is often described as a dull ache behind the eye.
And colors may appear less vibrant and you often have areas of vision loss like blind spots and you may experience flashing or flickering lights that mostly occur with eye movement.
If the pain on eye movement or any other eye pain does not go away or gets worse or you notice any changes in your vision you should see an eye doctor to be safe.