<prompt> Muscle first affected in thyroid ophthalmopathy is:Medial rectusLateral rectusInferior rectusSuperior rectus  <response>: Ans. c Inferior rectusRef.: A.K. Khurana 6th ed. 414 In thyroid eye ophthalmopathy, the ocular motility defects due to restrictive myopathy in order of frequency are: Elevation due to fibrosis of inferior rectus Abduction due to fibrosis of medial rectus Depression due to fibrosis of superior rectus Adduction due to fibrosis of lateral rectus.Mnemonic - I M Shy Ladka 