Isotonicity

Hypotonic (cell swelling & rupture/hemolysis)

0.2% NaCl

(0.2 g NaCl) / (100 mL)

Hypertonic (cell shrinkage/crenation)

2% NaCl

(2 g NaCl) / (100 mL)

Isotonic (no net H2O movement/cell irritation)

0.9% NaCl

(0.9 g NaCl) / (100 mL)

Ophthalmic solution = ______ solution

Isotonic (0.9% NaCl)