Prism cover test
The prism cover test (PCT), is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components.
Synoptophore or Amblyoscope
The amblyoscope is used to diagnose anomalies of binocular vision with targets that are presented to each eye. It gives the examiner detailed information of the sensory status of the patient
