orthotropia

orthotropia 

1. Absence of strabismus.
2. The term is sometimes used following successful surgery or prism compensation of a strabismus, or when there is a vertical deviation with no deviation in the horizontal plane.
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He also noted that, among patients with latent nystagmus, 99% had congenital strabismus, with orthotropia being extremely rare.
restored orthotropia and binocular single vision in primary gaze position i.
8%) had final ocular alignment within 10 prism dioptres of orthotropia of which six achieved fusion at primary gaze position.
A criterion for successful surgery was orthotropia [+ or -] 10PD and good stereo acuity assessed by Titmus stereo test and stereo test circle.
In line with established criteria, [5-9] we considered a criterion of orthotropia [+ or -] OPD and good stereo acuity for surgical success.
Also, successful surgery that is orthotropia [+ or -] 10PD for surgical success and good stereo acuity (Titmus stereo test & stereo test circle) was seen in 60%, 60% and 66.
This is relevant for only DRS Type 1 because DRS Type 2 is always Exotropia in primary position and DRS Type 3 is always Orthotropia in primary position.