Which vertical measurement is required for general purpose PALs
A) binocular FCH
B) monocular FCH
C) binocular near PDs
D) monocular near PDs
Answer: B) monocular FCH
Which vertical measurement is required for general purpose PALs
A) binocular FCH
B) monocular FCH
C) binocular near PDs
D) monocular near PDs
Answer: B) monocular FCH