Table 1: Occurrence and Distribution Differences in the Lamina Cribrosa (LC) of Animals Used in Glaucoma Research

  Presence of LC Diameter of Optic Nerve at the Level of the Sclera/LC Differences in Composition to the Human [27]
Mouse [2-5] Ø 193 ±8µm  
Rat [6-9] (+)   more collagen type VI
Rabbit [4,10] (+)    
Quail, Chicken [4] (+)    
Pig [14] + 1624 ±15µm  
Cat [4,15,16] + 1187µm  
Dog [17,32] + 1592µm more collagen type VI
Monkey [18-22] + 1717 ±21µm  

Ø = not present; (+) = faintly present; + = well developed.