Table 1 Physicochemical and rheological properties of Viscoat and Visthesia
From: Viscoat versus Visthesia during phacoemulsification cataract surgery: corneal and foveal changes
Property | Viscoat® | Visthesia® |
|---|---|---|
Manufacturer | Alcon Laboratories | Zeiss |
Ingredients | CDS/NaHa | NaHa/LH |
Concentration (%) | 4 CDS/3 NaHa | 1.5 NaHa/1 LH |
Viscosity (mPas) | 40000 | 500000 |
Molecular weight (Dalton) | 22500 CDS/>500000 NaHa | 3000000 |
Osmolarity (mOsm/L) | 330 | 280-330 |
pH value | 7-7.5 | 7-7.4 |