Eye Movements

Why is it necessary for our eyes to move?

Describe a saccade

What is the difference between corrective saccades and dysmetric saccades

When reading our eyes make predictive saccades to words ____ of the ones we are reading, normally about __ or __ words)

Describe the Vestibulo-ocular Reflex.

Suggest simple physiological evidence as to why the vestibulo-ocular reflex is not dependant on a visual input.

Describe a nystagmus

If the vestibular system is not working properly what would we expect to happen to a subjects eye movements when we move their head left and right in a dark room while they try and focus on the same spot?

If the VOR is working perfectly what would the gain be?

Describe the velocity storage system with relation to eye movements

Describe a real life situation which shows that the VOR adapts.

Give some things which can affect VOR

What is the difference between the VOR and the optokinetic response?

the optokinetic reflex is more suited to _____ frequency movements while the VOR is more suited to ____ frequency movements.

What is a congenital nystagmus?

Describe smooth eye movements and how they are different from saccades

What is vergence?

Give 4 methods of recording eye movements.

Describe a scleral coil, giving its positives and negatives.

Describe infrared reflectance and give some posetives with the technique

Describe electro-oculography and give some positives and negatives of the technique.

Describe how video oculography works?

Give a study which looked at gaze in every day life, and give some examples of what activities were studied

Give a paper which looked at eye movements of elite cricket players and give the findings

Give a paper which shows gaze is predictive and say how they did it.

Describe the Land 2000 study and their findings