Table 1

Summary of the definition of variables in this study

VariablesDefinition
Anterior chamber depth (ACD)Distance between the inner corneal surface and the lens surface
Trabecular-iris angle (TIA)Angle between the arms passing through a point on the trabecular meshwork 500 μm from the scleral spur and the point perpendicularly opposite on the iris
Angle opening distance 250 (AOD250)Length of a perpendicular from the trabecular meshwork on the iris at a point 250 μm from the scleral spur
Angle opening distance 250 (AOD250)Length of a perpendicular from the trabecular meshwork on the iris at a point 250 μm from the scleral spur
Iris thickness Iris thickness at thickest part of the iris