This is a measure of the maximum amount of accommodation an individual can exert. It can be described as the dioptric distance between the near and far points of accommodation and is usually measured using the RAF rule. It should be conducted monocularly and binocularly and may be repeated two or three times in those situations when patient symptoms are suggestive of accommodative fatigue.
The measurement of stereoacuity is important as it gives an indication of the integrity of the binocular visual system. When the level of stereoacuity is within expected ranges then normal motor and sensory function are present. It is particularly useful for evaluating binocular vision in childre...
It is useful to test oculomotility (smooth pursuit eye movements) for a whole range of reasons but in particular when a patients presents with diplopia, there are symptoms such as eye pain when looking away from the primary position of gaze and when there is a reading difficulty which is unlikely...
The alternating cover test in the primary position allows comparison of the primary and secondary angles of deviation. Repeating the alternating cover test in the extreme positions of gaze will cause the size of the dissociated deviation to increase in the direction of the affected muscle(s).
