Traumatic hyphaema (blood in the anterior chamber) occurs due to injury to the iris or ciliary body vessels. The circulus iridis major gives off branches to the ciliary processes. Ref:Comprehensive Ophthalmology By AK Khurana, 4th Edition, Page 404
Lateral rectus muscle supplied by the abducent nerve is involved in the abduction of the eye. Since the right eye of this patient is turned medially his right lateral rectus muscle and abducent nerve is likely to be damaged. Ref: Comprehensive Ophthalmology By AK Khurana, 4th Edition, Page 313.
Lateral rectus and abducent nerve
Superior rectus and trochlear nerve
Medial rectus and superior division of oculomotor nerve
Inferior oblique and inferior division of oculomotor nerve