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abbreviations for orthoptics

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Term
Definition
ACT   alternat cover test  
🗑
AC:A   Accommodation Convergence: Accommodation ratio  
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APCT   Alternate Prism & Cover Test  
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ARC   Abnormal Retinal Correspondence  
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BD   Base Down  
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BI   Base In  
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BO   Base Out  
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BU   Bases Up  
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cc   with correction  
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CF   Counts Fingers  
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CSM   Central Study Maintained  
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CSUM   Central Study Unmaintained  
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CT   Cover Test  
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DVD   Dissociated Vertical Deviation  
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E   Esophoria  
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ERG   Electroretinogram  
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ET   Esotropia  
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E(T)   Intermittent Esotropia  
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FI   Flick  
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FTO   Full Time Occlusion  
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FPL   Forced Preferential Looking (TAC) Teller Acuity Cards  
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HM   Hand Motion  
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HT   Hypertropia  
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IO   Inferior Oblique muscle  
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IR   Inferior Rectus Muscle  
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LL   Line Letters (for visual acuity testing)  
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LN   Lateral Rectus muscle  
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MR   Medical Rectus muscle  
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LP (2)   Line Pictures (for visual acute testing) Light Perception  
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NRC   Normal Retinal Correspondence  
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OA   Over Action  
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OD   right eye Ocular Dexter  
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OH   Occlusion Hyperphoria  
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OS   Left eye ocular sinister  
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OU   both eyes Oculi Unitas  
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PCT   Prism Cover Test  
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PH   Pin Hole  
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PTO   Part Time Occlusion  
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RAPD   Relevant Afferent Pupillary Defect  
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R & R   Recession and Resection  
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sc   without correction  
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SCT   Single Cover Test  
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SO   Superior Oblique Muscle  
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SPCT   Simultaneous Prism & Cover Test  
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SR   Superior Rectus Muscle  
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UA   Under Action  
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UCUSUM   Uncentarl Unstudy Unmaintained  
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VA   Visual Acuity  
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VER(P)   Visually Evoked Response (Potential)  
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X   Exophoria  
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X'   Implies near measurments  
🗑
X(T)   Intermittent Exotropia  
🗑
XT   Constant Exotropia  
🗑
/\   Prism Diopter  
🗑


   

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