Table S1.
Name | Active ingredients | Preservatives |
---|---|---|
GenTeal® Mild | 0.2% HPMC | GenAqua® (sodium perborate) |
GenTeal® Moderate to Severe | 0.3% HPMC 0.25% CMC |
GenAqua® (sodium perborate) |
Ultra Tears® | 0.3% HPMC | BAK |
Tearisol® | 0.3% HPMC | BAK |
Lacril® | 0.5% HPMC | Chlorobutonal |
Isopto® Alkaline | 1.0% HPMC | BAK |
Isopto® Plain | 0.5% HPMC | BAK |
Isopto® Tears | 0.5% HPMC | BAK |
Nature’s Tears® | 0.4% HPMC | BAK |
Natural Balance Tears | 0.4% HPMC | BAK |
Rohto® Hydra | 0.3% HPMC | Polyaminopropyl biguanide |
Thera Tears® | 0.25% CMC | Preserved-forma Dequest (sodium perborate and phosphoric acid) |
Refresh Tears® | 0.5% CMC | Purite (stabilized oxychloro complex) |
Refresh Plus® | 0.5% CMC | None |
Refresh Celluvisc® | 1.0% CMC | Preserved-forma Purite (stabilized oxychloro complex) |
Refresh Liquigel® | 1.0% CMC | Preserved-forma Purite (stabilized oxychloro complex) |
Just Tears | 0.5% CMC | Purite (stabilized oxychloro complex) |
Notes:
Both preserved and preservative-free formulations commercially available. Manufacturers are as follows: GenTeal®, Novartis Pharmaceuticals, East Hanover, NJ, USA; Ultra Tears®, Alcon Laboratories, Inc., Fort Worth, TX, USA; Tearisol®, Novartis Pharmaceuticals; Lacril®, Allergan, Irvine, CA, USA; Isopto®, Alcon Laboratories, Inc.; Nature’s Tears®, Bio-Logic Aqua Technologies, Grants Pass, OR, USA; Natural Balance Tears, Major Pharmaceuticals, Livonia, MI, USA; Rohto® Hydra, Rohto Laboratories Indonesia, Padalarang, Indonesia; Thera Tears®, Advanced Vision Research, Ann Arbor, MI, USA; Refresh®, Allergan; GenAqua®, Novartis Ophthalmics, East Hanover, NJ, USA; Just Tears, Blairex, Columbus, IN, USA.
Abbreviations: BAK, benzalkonium chloride; CMC, carboxy methylcellulose; HPMC, hydroxypropyl methylcellulose.