Both organization recognise the need for further research about Ayres Sensory Integration and related approaches. In the USA this important to increase insurance coverage for related therapies. AOTA and RCOT have made efforts to educate the public about sensory Integration and related approaches. AOTAs practice guidelines and RCOTs informed view "Sensory Integration and sensory-based interventions" currently support the use of sensory integration therapy and interprofessional education and collaboration in order to optimize treatment for those with sensory integration and processing difficulties. The AOTA provides several resources pertaining to sensory integration therapy, some of which includes a fact sheet, new research, and continuing education opportunities. Controversy
There are concerns regarding the validity of the diagnosis. SPD is not included in the DSM-5 or ICD-10, the most widely used diagnostic sources in healthcare. The American Academy of Pediatrics (AAP) in 2012 stated that there is no universally accepted framework for diagnosis and recommends caution against using any "sensory" type therapies unless as a part of a comprehensive treatment plan.
Retinal correspondence is the inherent relationship between paired retinal visual cells in the two eyes. Images from one object stimulate both cells, which transmit the information to the brain, permitting a single visual impression localized in the same direction in space. Types
Normal retinal correspondence (NRC) is a binocular condition in which both foveas work together as corresponding retinal points, with resultant images fused in the occipital cortex of the brain.Abnormal retinal correspondence (ARC), also called Anomalous retinal correspondence  is binocular sensory adaptation to compensate for a long-standing eye deviation (i.e. strabismus). The fovea of the straight (non-deviated) eye and non-foveal retinal point of the deviated eye work together, sometimes permitting single binocular vision. See also
Bagolini Striated Glasses Test
Binocular vision
Haploscope
Stereopsis
Orthoptist

References
External links
Bhola, Rahul. Binocular Vision. University of Iowa Department of Ophthalmology & Visual Sciences: EyeRounds.org. January 23, 2006.
International Orthoptics Association
Orthoptics Association of Australia