The most common ocular motility problem in thyroid myopathy is due to involvement of-
*Order of involvement (Mnemonic : IM SLO):- Inferior rectus > medial rectus > superior rectus > Laterial rectus > oblique. Ref: Head & Neck Surgery 2nd/e p.1513
Medial rectus
Superior rectus
Inferior rectus
Inferior oblique
Diseases of orbit, Lids and lacrimal apparatus