Medial rectus > Superior rectus< Lateral rectus< obliques. It is woh noting that this is restrictive myopathy and the muscle becomes thickened & scarred with detion of eye towards the direction of action of muscle and there is restriction of movement in the direction opposite to the action of the involved muscle, though the opposite muscle is normal. For example in medial rectus involvement eye may be deted medial and abduction will be restricted though the lateral rectus is normal External ophthalmoplegia :- Thyroid ophthalmopathy can cause veical diplopia due to paralysis of veical acting muscles like inferior oblique.">