Table 1 Specification of soft contact lenses used in this study

Brand name

FOCUS DAILIES

DAILIES AquaComfort Plus

ACUVUE Vita

Air Optix Aqua

PureVision2 HD

Biofinity

USAN^*

Nelfilcon A

Nelfilcon A^°

Senofilcon C

Lotrafilcon B

Balafilcon A

Comfilcon A

Polymer

HEMA + PVA

HEMA + PVA, HPMC, PEG

mPDMS + DMA + HEMA + TEGDMA + PVP + SiGMA

DMA + TRIS + siloxane monomer

NVP + TPVC + NCVE + PBVC

FM0411M; HOB; IBM; M3U; NVP; TAIC; VMA

FDA Group

II

II

5Cr

5Cm

5A

5C

Wearing modality

Daily

Daily

Monthly

Monthly

Monthly

Monthly

Manufacturer

Alcon

Alcon

Johnson & Johnson

Alcon

Bausch & Lomb

Coopervision

Diameter(mm)

13.8^a

14^a

14^a

14.2^a

14^a

14^a

Thickness at

-3.00 D(mm)

0.1^a

0.1^a

0.07^a

0.08^a

0.07^a

0.08^a

Base curve(mm)

8.6^a

8.7^a

8.4/ 8.8^a

8.6 ^a

8.6^a

8.6^a

Visible light transmission(%)

96^b

≥ 92^b

89 to 99^b

≥ 96^a

≥ 95^a

≥ 97^a

Water content(%)

69^a

69^a

41^a

33^a

36^a

48^a

Oxygen

Permeability, Dk

(10^− 11)^‡

26^a

26^a

103^b

110^a

91^b

128^a

Oxygen transmissibility, Dk/t

(10^− 9)^†

26^a

26^a

147^a

138^a

130^a

160^a

Surface treatment

None

None

None

Plasma polymerization

Plasma oxidation

None