5. Recti
• Origin – common tendinous ring of Zinn
• Insertion- to sclera in front of equator of eye ball
behind the corneo scleral junction (limbus)
M- 5mm behind limbus
I- 6mm
L-7 mm
S- 8mm
6. Obliqui
• Superior oblique –
• Origin-orbital surface of lesser wing of sphenoid
medial to common tendinous ring
• Insertion- to sclera ,posterosuperior quadrant of
eyeball behind the equator
• Inferior oblique-
• Origin- orbital surface of maxilla
• Insertion- to sclera , posterosuperior quadrant of
eyeball behind the equator, close to the SO