o  
Angle
Alpha is the angle formed between optical axis and visual axis.  AOV
o  
Angle
Kappa is the angle formed between visual axis and pupillary axis.  KaVPa
o  
Angle
Gamma is the angle formed between optical axis and fixation axis. GOF = FOG
POsitive
angle Kappa
results in pseudoeXotropia.  K-POX
 
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