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Table 1 Characteristics of the artificial tears studied and cytometry results are shown as viability percentage

From: Can artificial tears prevent Acanthamoeba keratitis? An in vitro approach

 

Components

Preservative

% viability (TB); % viability (CTC); % altered morphology (CTC)

2 h

4 h

6 h

8 h

Oculotect® 50 mg/ml (Novartis)

Povidone K25; sodium hidroxide

Benzalkonium chloride (BAK)

3.6; 4.9; 0

1.8; 7.3; 0

5.5; 1.5; 0

2.5; 4.1; 0

Optava Fusion™ (Allergan)

Sodium hyaluronate; sodium carboxymethylcellulose; glycerin; erythritol

Purite®

44.3; 44.5; 16.6

46.5; 26.7; 6.8

79.0; 34.2; 19.8

85.7; 31.0; 28.7

Artelac® Splash (Bausch+Lomb)

Sodium hyaluronate; sodium chloride; potassium chloride; sodium phosphates

None

52.0; 58.8; 3.3

58.0; 34.6; 12.6

72.0; 52.8; 4.1

81.5; 10.8; 10.9