Introduction and Fixational Eye Movements

For Optometry 503 at Pacific University College of Optometry

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Across 1. Extraocular muscle "noise" causes these disconjugate eye movements 4. For the eyes to move, the shorter name for this law says that one muscle needs to contract, and its antagonist needs to relax 5. These double the amplitude of error in fixational eye movements 6. A partial paresis of this nerve causes a "down and out" eye 7. These tiny eye movements can correct poor fixation, or cause it 10. The only conjugate eye movement affecting fixations 12. A brainstem stroke might cause these in a hospitalized patient 13. This law says that a constant angle of torsion will get the eyes to any tertiary position 14. Amblyopic patients with eccentric fixation might show these eye movements 15. The guy named Ewald talked about muscles working together for conjugate eye movements 16. A partial paresis of this nerve causes esotropia

Down 2. This type of nystagmus might only be seen on cover testing, but it's always there 3. Strabismic patients might show these eye movements 8. A partial paresis of this nerve causes an extorted eye 9. This law says that a single, unique rotation will get the eyes where they have to go 11. This rectus and oblique muscle are both contralaterally innervated

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