Wear time for Air Optix N&D
up to 30 days CW
Manufacturer and Material for Air Optix N&D
Alcon, Si-Hy
Replacement schedule for Air Optix N&D
monthly
Dk and Dk/t for Air Optix N&D
high (140, 175 - highest)
Water content for Air Optix N&D
low (24% - lowest of EW/CW Si-Hys)
Manufacturer and Material for Air Optix Aqua (plus hydraglyde)
Alcon, Si-Hy
Wear time for Air Optix Aqua (plus Hydraglyde)
up to 6 nights CW
Replacement schedule for Air Optix Aqua (plus Hydraglyde)
monthly
Dk and Dk/t for Air Optix Aqua (plus hydraglyde)
medium (110, 138)
Water content for Air Optix Aqua (plus hydraglyde)
low (33%)
Alcon EW/CW Si-Hys
Air Optix N&D
Air Optix Aqua (plus hydraglyde)
Manufacturer and materials for PureVision/PureVision 2
Bausch + Lomb, Si-Hy
Wear time for PureVision/PureVision 2
up to 30 days CW
replacement schedule for PureVision/PureVision 2
monthly
Dk and Dk/t for PureVision/PureVision 2
medium (91, 110)
Water content of PureVision/PureVision 2
Medium (36%)
Manufacturer and Material for Acuvue Oasys
Johnson & Johnson, Si-Hy
Wear time of Acuvue Oasys
up to 6 nights CW
Replacement schedule of Acuvue Oasys
every 2 weeks
Dk and Dk/t of Acuvue Oasys
medium (103, 147)
Water content of Acuvue Oasys
medium (38%)
Manufacturer and Material for Ultra
Bausch + Lomb, Si-Hy
Wear time for Ultra
up to 6 nights CW
Replacement schedule for Ultra
monthly
Dk and Dk/t for Ultra
high (114, 163)
water content of Ultra
medium (46%)
Manufacturer and Material for Biofinity/Biofinity Energys
Coopervision, Si-Hy
Wear time of Biofinity/Biofinity Energys
up to 6 nights CW
Replacement schedule for Biofinity/Biofinity Energys
monthly
Dk and Dk/t for Biofinity/Biofinity Energys
high (128, 160)
Water content of Biofinity/Biofinity Energys
medium (48% - highest of CW/EW Si-Hys)
Manufacturer and Material for Avaira Vitality
CooperVision, Si-Hy
Wear time for Avaira Vitality
12-14 hours
replacement schedule for Avaira Vitality
every 2 weeks
Dk and Dk/t for Avaira Vitality
medium (90, 110)
Water content for Avaira Vitality
medium (55%)
Manufacturer and Material for Acuvue Vita
Johnson & Johnson, Si-Hy
Wear time for Acuvue vita
12-14 hours
replacement schedule for Acuvue Vita
monthly
Dk and Dk/t for Acuvue Vita
medium (103, 147 - highest of daily wear Si-Hys)
water content for Acuvue Vita
medium (41%)
Manufacturer and material for Definitive
Many labs, Si-Hy
Wear time for Definitive
12-14 hours
replacement schedule for Definitive
quarterly or monthly
Dk and Dk/t for Definitive
low (60, 75)
water content for Definitive
high (74% - highest)
Manufacturer and material for 1-day Acuvue TruEye
Johnson & Johnson, Si-Hy
Wear time for 1-Day Acuvue TruEye
12-14 hours
replacement schedule for 1-Day Acuvue TruEye
daily
Dk and Dk/t for 1-Day Acuvue TruEye
medium (100, 118)
water content for 1-Day Acuvue TruEye
medium (46%)
Manufacturer and material for Acuvue Oasys 1 Day
Johnson & Johnson, Si-Hy
wear time for Acuvue Oasys 1 Day
12-14 hours
replacement schedule for Acuvue Oasys 1 Day
daily
Dk and Dk/t for Acuvue Oasys 1 Day
medium (103, 147)
Water content for Acuvue Oasys 1 Day
medium (38%)
Manufacturer and material of Dailies Total 1
Alcon, Si-Hy
Wear time for Dailies Total 1
12-14 hours
replacement schedule for Dailies Total 1
daily
Dk and Dk/t for Dailies Total 1
high (140, 156 - highest of daily disposable Si-Hys)
Water content for Dailies total 1
high (33-80% gradient - highest of daily disposable Si-Hys)
Manufacturer and material for Clariti 1 Day
CooperVision, Si-Hy
Wear time of Clariti 1 day
12-14 hours
Replacement schedule for Clariti 1 day
daily
Dk and Dk/t for Clariti 1 day
low (60, 86)
water content for Clariti 1 day
medium (56%)
manufacturer and materials for MyDay
CooperVision, Si-Hy
Wear time for MyDay
12-14 hours
replacement schedule for MyDay
daily
Dk and Dk/t for MyDay
low (80, 100)
Water content for MyDay
medium (54%)
EW/CW Si-Hys by Alcon
Air Optix N&D
Air Optix Aqua (plus hydraglyde)
EW/CW Si-Hys by Bausch and Lomb
PureVision
PureVision 2
Ultra
EW/CW Si-Hys by Johnson & Johnson
Acuvue Oasys
EW/CW Si-Hys by Cooper Vision
Biofinity
Biofinity Energys
Daily Wear Si-Hys by Cooper Vision
Avaira Vitality
Daily wear Si-Hys by Johnson & Johnson
Acuvue Vita
Daily Wear Si-Hys by Contamac
Definitive
Daily Disposable Si-Hys by Johnson & Johnson
1 day Acuvue TruEye
Acuvue Oasys 1 day
Daily disposable Si-Hys by Alcon
Dailies Total 1
Daily disposable Si-Hys by Cooper Vision
Clariti 1 day
MyDay
Lens design with "high definition" optics and "Comfort Moist" technology
Purevision 2 HD (B+L)
Lens design with moisture seal technology, dehydration resistance and aspheric optics
Ultra (B+L)
Lens design with plasma coating and aspheric design
Air Optix N&D/Plus (Alcon)
Lens design with UV blocker and Hydraclear wetting agent on surface and throughout lens
Acuvue Oasys (J&J)
Lens design with Hydramax technology (PVP), UV blocker, infinity edge and inside-out marker
Acuvue Vita (J&J)
Lens design with aquaform comfort science (no surface treatment/wetting agents) and Digital zone optics (aspheric)
Biofinity and Avaira Vitality (CooperVision)
Lens material manufactured by one company then lathe-cut by many labs using specialty parameters
Definitive (contamac)
Lens design with first water-gradient Si-Hy
Dailies Total 1 (Alcon)
Lens design with smart silicone technology (longer chains of silicone, lower modulus)
MyDay (CooperVision)
Lenses with lowest modulus (0.35 to 0.6)
HEMA/hydrogel, definitive, MyDay, Clariti, Avaira Vitality
Lenses with medium modulus (0.7 to 0.77)
Dailies Total 1, Ultra, Acuvue TruEye, Acuvue Oasys, Biofinity/Energys, Acuvue Vita
Lenses with highest modulus (1.1 to 1.4)
PureVision/PureVision 2, Air Optix (plus hydraglyde), Air Optix N&D
problems with increased modulus
mucin balls, GPC, SEALS, edge fluting
Lenses approved for therapeutic use
Air Optix N&D (alcon)
PureVision/PureVision 2 (B+L)
Acuvue Oasys (J&J)
Lenses that can be cleared of fluorescein with just MPS
Air Optix (plus Hydraglyde)
Air Optix N&D
Acuvue Oasys
Lenses that need to be soaked in ClearCare to clear fluorescein
Biofinity
PureVision
Dk/t needed to produce little/no corneal edema (Holden-Mertz Criteria)
87-125
Air Optix N&D toric?
no
Air Optix N&D multifocal?
no
Air Optix Aqua (plus hydraglyde) toric?
yes
Air Optix Aqua (plus hydraglyde) multifocal?
yes
Purevision/ Purevision 2 toric?
yes
PureVision/PureVision 2 multifocal?
yes
Acuvue Oasys toric?
yes
Acuvue Oasys multifocal?
yes
Ultra toric?
yes
Ultra multifocal?
yes
Biofinity/Biofinity Energys toric?
yes
Biofinity/Biofinity Energys multifocal?
yes
Avaira Vitality toric?
yes
Avaira Vitality multifocal?
no
Acuvue Vita toric?
yes
Acuvue Vita multifocal?
no
Definitive toric?
yes
Definitive multifocal?
yes
1 Day Acuvue TruEye toric?
no
1 Day Acuvue TruEye multifocal?
no
Acuvue Oasys 1 Day toric?
yes
Acuvue Oasys 1 Day multifocal?
no
Dailies total 1 toric?
no
Dailies total 1 multifocal?
yes
Clariti 1 day toric?
yes
Clariti 1 day multifocal?
yes
MyDay toric?
yes
MyDay multifocal?
no
modulus for Air Optix Night & Day
high (1.4 - highest)
modulus for Air Optix plus Hydraglyde
high (1.2)
modulus for Dailies Total 1
medium (0.7)
Modulus for PureVision/PureVision 2
high (1.1)
Modulus for Ultra
medium (0.7)
modulus for Biofinity/Biofinity Energys
medium (0.75)
modulus for Avaira Vitality
low (0.6)
modulus for Clariti 1 day
low (.5)
modulus for MyDay Daily
low (0.4)
Modulus for Acuvue Oasys
medium (0.72)
Modulus for Acuvue Vita
Medium (0.77)
modulus for 1-Day Acuvue TruEye
medium (0.71)
modulus for Definitive
low (0.35 - lowest)