<prompt> The most common ocular motility problem in thyroid myopathy is due to involvement of :Medial rectusSuperior rectusInferior rectusInferior oblique  <response>: C i.e. Inferior rectus In thyroid eye disease, the ocular motality defects due to restrictive myopathy in order of frequency are -elevation due to fibrosis of inferior rectus Q, abduction due to fibrosis of medial rectus, depression due to fibrosis of superior rectus adduction due to fibrosis of lateral rectus. 