Table 1

Physicochemical and rheological properties of Viscoat and Visthesia

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


NaHa = sodium hyaluronate; CDS = chondroitin sulfate; LH = lidocaine hydrochloride

Moschos et al. BMC Ophthalmology 2011 11:9   doi:10.1186/1471-2415-11-9

Open Data