Acuvue Advance for Astigmatism vs Oasys for Astigmatism

All Acuvue Lenses

For patients with astigmatism we have compared the 2 toric lenses Acuvue Advance for Astigmatism and Acuvue Oasys for Astigmatism. Latter one was just recently introduced (June 2008), so we had a closer look at both lenses to show you the differences.

	Acuvue Advance for Astigmatism	Acuvue Oasys for Astigmatism
Lens Type	Toric lens	Toric lens
Lens Material	copolymer (galyfilcon A)	silicone hydrogel (senofilcon A)
% of Material	53%	62%
% of Water	47%	38%
Available power range	-9.00D to +6.00D	-9.00D to +6.00D
Available base curves	8.6mm	8.6mm
Available diameters	14.5mm	14.5mm
Center thickness (at –3.00D)	0.07mm	0.07mm
Oxygen permeability (at -3.00D, center, non-edge-corrected)	100 Dk/t	152 Dk/t
UV-A Blocking (in 316nm to 380nm range)	> 90%	> 90%
UV-B Blocking (in 280nm to 315nm range)	> 99%	> 99%
Moisture-rich ingredient	Yes - via Hydraclear Technology	Yes - via Hydraclear Technology
Replacement schedule	2 weeks (daily wear)	2 weeks (daily wear) or 1-2 weeks (daily wear with up to 6 consecutive nights)
Visibility tint?	Yes	Yes
Inside-out mark	No	No
Manufacturer	Vistakon	Vistakon
Packaging Details	6 lenses per box, each lens in a foil-sealed plastic package	6 lenses per box, each lens in a foil-sealed plastic package
Release date	2004	2008
Online retail price range (per box)	$33.00 to $43.00	$38.00 - $50.00

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Conclusion:

Both lenses show very impressive technical parameters. As most Acuvue products these 2 toric lenses come with first class UV blocking and convenience features such as inside-out-mark and visibility tint.

However, the younger Acuvue Oasys for Astigmatism provides some significant improvements over Acuvue Advance for Astigmatism. The much higher oxygen permeability of Acuvue Oasys for Astigmatism should provide patients with improved wearing comfort. In addition it shows a more flexible replacement schedule as patients can wear the lens up to 6 consecutive days and nights.

Acuvue Advance for Astigmatism comes with a lower price tag - typical online retail prices indicate that Acuvue Advance for Astigmatism is up to 15% cheaper than the toric Oasys.