Contact Lenses Archive - Page 2 of 9

AIR OPTIX plus HydraGlyde
Alcon

Base Curve: 8.6mm
Diameter: 14.2mm
Dk: 110
H2O: 33%
Modulus: 1.1MPa
CT: .08mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: lotrafilcon B
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Available Powers:
+8.00D to -12.00D (excludes Plano, 0.50D steps after +6.50D/-8.50D)
Base Curve
8.6
Diameter
14.2
Dk
110
Power Range
+8.00
to
-12.00
Quantity
6
AIR OPTIX plus HydraGlyde for Astigmatism
Alcon

Base Curve: 8.7mm
Diameter: 14.5mm
Dk: 110
H2O: 33%
Modulus: 1.1MPa
CT: 0.102mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: lotrafilcon B
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Available Powers:
SPH: +6.00 to -10.00D (includes Plano, 0.50D steps after -6.00D)
CYL: Around the clock (10 degree steps)
Base Curve
8.7
Diameter
14.5
Dk
110
Power Range
+6.00
to
-10.00
Quantity
6
AIR OPTIX plus HydraGlyde Multifocal
Alcon

Base Curve: 8.6mm
Diameter: 14.2mm
Dk: 110
H2O: 33%
Modulus: 1.1MPa
CT: .08mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: lotrafilcon b
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Available Powers:
+6.00 D to -10.00 D (includes Plano, 0.25 D steps)

Initial Fitting:
Spectacle Add Both Eyes
Up to +1.25 LOW Add
+1.50 to +2.00 MED Add
+2.25 to +2.50 HIGH Add
Troubleshooting:
Poor Near Vision Adjustment 1
SPECTACLE ADD DOMINANT EYE NON-DOMINANT EYE
Up to +1.25 LO LO with additional +0.50
+1.50 to +2.00 MED MED with additional +0.50
+2.25 to +2.50 HI HI with additional +0.50
Poor Near Vision Adjustment 2
SPECTACLE ADD DOMINANT EYE NON-DOMINANT EYE
Up to +1.25 MED MED
+1.50 to +2.00 MED HI
+2.25 to +2.50 HI MED
Poor Distance Vision Adjustment
SPECTACLE ADD DOMINANT EYE NON-DOMINANT EYE
+1.50 to +2.00 LO MED
+2.25 to +2.50 HI MED
Base Curve
8.6
Diameter
14.2
Dk
110
Power Range
+6.00
to
-10.00
Quantity
6
Avaira Vitality
CooperVision

Base Curve: 8.4mm
Diameter: 14.2mm
Dk: 90
H2O: 55%
Modulus: 0.6MPa
CT: .08mm @ -3D
Extended Wear: No
Replacement: Biweekly
Material: fanfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Aquaclear 110, Aquatech Plus II, Natural Eyes Hydrawear, Pearle 2 Week, Sofmed Breathables Advanced, iWear Balance Plus, Ethos AquaTech 2 Week
Available Powers:
+8.00D to -12.00D (excludes Plano, 0.50D steps after +/- 6.00D)
Base Curve
8.4
Diameter
14.2
Dk
90
Power Range
+8.00
to
-12.00
Quantity
6
Avaira Vitality toric
CooperVision

Base Curve: 8.5mm
Diameter: 14.5mm
Dk: 90
H2O: 55%
Modulus: 0.6MPa
CT: 0.1mm @ -3D
Extended Wear: No
Replacement: Biweekly
Material: fanfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Aquaclear 110 Toric, Aquatech Plus II Toric, Sofmed Breathables Advanced Toric, iWear Balance Plus for Astigmatism, Ethos AquaTech 2 Week for Astigmatism
Available Powers:
SPH: +8.00D to -10.00D (0.50D steps after +/-6.00D)
CYL: -0.75D, -1.25D, -1.75D, -2.25D
AXS: Full circle (10 degree steps)
Base Curve
8.5
Diameter
14.5
Dk
90
Power Range
+8.00
to
-10.00
Quantity
6
Biofinity
CooperVision

Base Curve: 8.6mm
Diameter: 14.0mm
Dk: 128
H2O: 48%
Modulus: 0.75MPa
CT: .08mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: comfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Aquaclear, Aquatech Plus Premium, Natural Eyes HydraWear XW, Pearle Monthly, Sofmed Breathables XW, Ethos AquaTech Monthly, iWear Oxygen, Voyant Monthly, Lenscrafters Monthly, Pearle Vision Monthly
Available Powers:
+15.00D to -20.00D (0.50D steps after +/-6.00D, “XR” after +8 and -12.)
Base Curve
8.6
Diameter
14.0
Dk
128
Power Range
+15.00
to
-20.00
Quantity
6
Biofinity Energys
CooperVision

Base Curve: 8.6mm
Diameter: 14.0mm
Dk: 128
H2O: 48%
Modulus: 0.75MPa
CT: .08mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: comfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Aquaclear Premium, Lenscrafters Monthly Modern Lifestyle, Pearle Vision Monthly Balance, Voyant Monthly Premium
Available Powers:
+8.00D to -12.00D (0.50D steps after ±6.00D)
Base Curve
8.6
Diameter
14.0
Dk
128
Power Range
+8.00
to
-12.00
Quantity
6
Biofinity multifocal
CooperVision

Base Curve: 8.6mm
Diameter: 14.0mm
Dk: 128
H2O: 48%
Modulus: 0.75MPa
CT: .09mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: comfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Aquaclear Multifocal, Sofmed Breathables XW Multifocal, Voyant Monthly Multifocal, Pearle Vision Monthly Multifocal, Natural Eyes HydraWear XW Multifocal, Mediflex Elite Multifocal, Lenscrafters Monthly Multifocal, Ethos AquaTech Monthly Multifocal
Available Powers:
+6.00D to -10.00D (0.50D steps after -6.00D)

Initial Fitting:
Spectacle Add Dominant Eye Non-dominant Eye
+0.75, +1.00, +1.25 +1.50 D +1.50 D
+1.50, +1.75 +1.50 D +1.50 N
+2.00, +2.25 +2.00 D +2.00 N
+2.50 or above +2.50 D +2.50 N
Or use the OptiExpert Fitting Calculator.
To improve distance vision add +/-0.25D (up to +/-0.50D) to the eye that needs improvement. To improve near vision add +/-0.25D (up to +/-0.50D) to the eye that needs improvement.
Base Curve
8.6
Diameter
14.0
Dk
128
Power Range
+6.00
to
-10.00
Quantity
6
Biofinity toric
CooperVision

Base Curve: 8.7mm
Diameter: 14.5mm
Dk: 128
H2O: 48%
Modulus: 0.75MPa
CT: 0.11mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: comfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Aquaclear Toric, Aquatech Plus Premium Toric, Sofmed Breathables XW Toric, Ethos AquaTech Monthly for Astigmatism, iWear Oxygen for Astigmatism, Lenscrafters Monthly for Astigmatism, Mediflex Aquafinity 116 Toric, Mediflex Elite Toric, Natural Eyes HydraWear XW for Astigmatism, Pearle Vision Monthly for Astigmatism, Voyant Monthly Toric
Available Powers:
Sphere power +8.00D to -10.00D (0.50D steps after +/-6.00D)
Cylinder power -0.75, -1.25, -1.75, -2.25
Axis 10° to 180° (10° steps)
Base Curve
8.7
Diameter
14.5
Dk
128
Power Range
+8.00
to
-10.00
Quantity
6
Biofinity toric multifocal
CooperVision

Base Curve: 8.7mm
Diameter: 14.5mm
Dk: 128
H2O: 48%
Modulus: 0.75MPa
CT: .09mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: comfilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Available Powers:
SPH: -10.00D to +10.00D (includes plano, 0.50D steps after ±6.00D)
CYL: -0.75D to -5.75D (0.50D steps)
AXS: Full circle (5º steps)
Initial Fitting:
Spectacle Add Dominant Eye Non-dominant Eye
+0.75, +1.00, +1.25 +1.00D +1.00D
+1.50, +1.75 +1.50D +1.50D
+2.00 +2.00D +2.00N
+2.50 or above +2.50D +2.50N
Base Curve
8.7
Diameter
14.5
Dk
128
Power Range
+10.00
to
-10.00
Quantity
6
Biofinity XR toric
CooperVision

Base Curve: 8.7mm
Diameter: 14.5mm
Dk: 128
H2O: 48%
Modulus: 0.75MPa
CT: .11mm @ -3D
Extended Wear: 1 week
Replacement: Monthly
Material: comfilcon a
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Available Powers:
Sphere power +8.50D to +20.00D and -10.50D to -20.00D (0.50D steps)
Cylinder power -0.75, -1.25, -1.75, -2.25
Axis 5° to 180° (5° steps)
Sphere power +20.00D to -20.00D (0.50D steps after +/-6.00D)
Cylinder power -2.75, -3.25, -3.75, -4.25, -4.75, -5.25, -5.75
Axis 5° to 180° (in 5° steps)
Base Curve
8.7
Diameter
14.5
Dk
128
Power Range
+20.00
to
-20.00
Quantity
6
Biomedics 55 premier
CooperVision

Base Curve: 8.6, 8.8, 8.9mm
Diameter: 14.2mm
Dk: 19.6
H2O: 55%
Modulus: 0.4MPa
CT: 0.07mm @ -3D
Extended Wear: 1 week
Replacement: Biweekly
Material: ocufilcon D
Propeties: hydrogel, ionic
Availability: Available
Pricing:
Private Labels: Aqualens 55 Aspheric, Aqualite 55 Pro Aspheric, Clinasoft 55 Aspheric, Equate (2 week) Aspheric, Flextique 55 Aspheric, Mediflex 55 Aspheric, Polysoft 55 Aspheric, Prosite 55 Aspheric, Sofmed 55, Sterling 55 Aspheric, Target 55 Aspheric, Biomedics 55 Evolution
Available Powers:
Base Curve Diameter Sphere Power Range
8.6, 8.9 14.2 -0.25D to -10.00D (0.50D steps after -6.00D)
8.8 14.2 +0.25D to +6.00D (0.50D steps after +5.00D)
To be discontinued May 2026.
Base Curve
8.6, 8.8, 8.9
Diameter
14.2
Dk
19.6
Power Range
+6.00
to
-10.00
Quantity
6
Biomedics toric
CooperVision

Base Curve: 8.7mm
Diameter: 14.5mm
Dk: 19.6
H2O: 55%
Modulus: 0.4MPa
CT: 0.11mm @ -3D
Extended Wear: 1 week
Replacement: Biweekly
Material: ocufilcon D
Propeties: hydrogel, ionic
Availability: Available
Pricing:
Private Labels: UltraFlex Toric, Sofmed Toric Weeklies, Equate (2 week) for Astigmatism, Clinasoft 55 Aspheric Toric, AquaTech Toric
Available Powers:
SPH: +6.00D to -9.00D (0.50D steps after -6.00D and +5.00D)
CYL: -0.75, -1.25, -1.75, -2.25
AXS: Full circle (10° steps)
To be discontinued May 2026.
Base Curve
8.7
Diameter
14.5
Dk
19.6
Power Range
+6.00
to
-9.00
Quantity
6
Biotrue ONEday
Bausch & Lomb

Base Curve: 8.6mm
Diameter: 14.2mm
Dk: 42
H2O: 78%
Modulus: 0.5MPa
CT: 0.10mm @ -3D
Extended Wear: No
Replacement: Daily
Material: nesofilcon A
Propeties: hydrogel, non-ionic
Availability: Available
Pricing:
Private Labels: eureka! (daily)
Available Powers:
+6.00D to -12.00D (plano excluded, 0.50D steps over -6.00D)
Base Curve
8.6
Diameter
14.2
Dk
42
Power Range
+6.00
to
-12.00
Quantity
30, 90
Biotrue ONEday for Astigmatism
Bausch & Lomb

Base Curve: 8.4mm
Diameter: 14.5mm
Dk: 42
H2O: 78%
Modulus: 0.5MPa
CT: 0.10mm @ -3D
Extended Wear: No
Replacement: Daily
Material: nesofilcon A
Propeties: hydrogel, non-ionic
Availability: Available
Pricing:
Available Powers:
Plano to -6.00D (0.25D steps)
CYL: -0.75, -1.25, -1.75
AXS: Full circle in 10° steps
CYL: -2.25
AXS: Full circle excluding obliques (30, 40, 50, 60)
CYL: -2.75
AXS: 10°, 20°, 90°, 160°, 170°, 180°
-6.50D to -9.00D (0.50D steps)
CYL: -0.75, -1.25, -1.75
AXS: Full circle excluding obliques (30°, 40°, 50°)
CYL: -2.25
AXS: 10°, 20°, 90°, 160°, 170°, 180°
+0.25D to +4.00D (0.25D steps)
CYL: -0.75, -1.25, -1.75
AXS: 10°, 20°, 70° to 110°, 160° to 180°
CYL: -2.25
AXS: 10°, 20°, 80° to 100°, 160° to 180°
Base Curve
8.4
Diameter
14.5
Dk
42
Power Range
+4.00
to
-9.00
Quantity
30, 90
Biotrue ONEday for Presbyopia
Bausch & Lomb

Base Curve: 8.6mm
Diameter: 14.2mm
Dk: 42
H2O: 78%
Modulus: 0.5MPa
CT: 0.10mm @ -3D
Extended Wear: No
Replacement: Daily
Material: nesofilcon A
Propeties: hydrogel, non-ionic
Availability: Available
Pricing:
Available Powers:
+6.00D to -9.00D (includes plano, 0.25D steps)

Initial Fitting:
+0.75D to +1.50D (Spectacle Add)
Low Add OU
+1.75D to +2.50D (Spectacle Add)
High Add OU
Troubleshooting
Poor Near Vision
If wearing two Low Add lenses:
– Replace Non-Dominant Eye with High Add.
– If still unsatisfied, add +0.25D at a time to non-dominant eye (wearing High Add lens).
If wearing two High Add lenses:
– Add +0.25D to the non-dominant eye.
– If still unsatisfactory, add +0.25D at a time to non-dominant eye.
Poor Distance Vision
If wearing two Low Add lenses:
– Replace Dominant Eye with Single Vision lens.
– If still unsatisfactory, add -0.25D at a time to dominant eye (wearing Single Vision lens).
If wearing two High Add lenses:
– Replace Dominant Eye with Low Add.
– If still unsatisfactory, add -0.25D at a time to dominant eye (wearing Low Add lens).
Base Curve
8.6
Diameter
14.2
Dk
42
Power Range
+6.00
to
-9.00
Quantity
30, 90
clariti 1 day
CooperVision

Base Curve: 8.6mm
Diameter: 14.1mm
Dk: 60
H2O: 56%
Modulus: 0.5MPa
CT: .07mm @ -3D
Extended Wear: No
Replacement: Daily
Material: somofilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Ethos AquaTech 1 Day, Fresh Day, iWear Activ, Natural Eyes HydraWear 1-Day (DIA: 14.0mm), Pearle Vision 1 Day, Ray-Ban 1-Day, Sofmed Breathables 1-Day (DIA: 14.0mm), Voyant 1 Day
Available Powers:
+8.00D to -10.00D (plano excluded, 0.50D steps after ±6.00D)
Base Curve
8.6
Diameter
14.1
Dk
60
Power Range
+8.00
to
-10.00
Quantity
30, 90
clariti 1 day multifocal
CooperVision

Base Curve: 8.6mm
Diameter: 14.1mm
Dk: 60
H2O: 56%
Modulus: 0.5MPa
CT: .07mm @ -3D
Extended Wear: No
Replacement: Daily
Material: somofilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Discontinued
Pricing:
Private Labels: Aquatech Plus 1-Day Multifocal, Ethos AquaTech 1 Day Multifocal, Fresh Day Multifocal, iWear Activ for Presbyopia, Pearle Vision 1 Day Multifocal, Ray-Ban 1-Day Multifocal, Sofmed Breathables 1-Day Multifocal, Voyant 1 Day Multifocal
Available Powers:
+5.00D to -6.00D (0.25D steps)
Replaced by “3 Add” multifocal.

Initial Fitting:
Myopes / Emmetropes (+0.75 to +1.75D)
Spherical Equivalent (SE) Low Add OU
Myopes / Emmetropes (+2.00 to +2.25D)
SE Low Add (dominant), SE+0.50D Low Add (non-dominant)
Myopes / Emmetropes (+2.50D and up)
SE+0.25D Low Add (dominant), SE+0.25D High Add (non-dominant)
Hyperopes (+0.75 to +1.75D)
SE Low Add (dominant), SE+0.25D Low Add (non-dominant)
Hyperopes (+2.00 to +2.25D)
SE+0.25D Low Add OU
Hyperopes (+2.50D and up)
SE+0.25D Low Add (dominant), SE+0.25D High Add (non-dominant)
Troubleshooting:
To improve distance VA add +/-0.25D to the dominant eye
To improve near VA add +0.25D to the non-dominant eye
Base Curve
8.6
Diameter
14.1
Dk
60
Power Range
+5.00
to
-6.00
Quantity
30, 90
clariti 1 day multifocal 3 Add
CooperVision

Base Curve: 8.6mm
Diameter: 14.1mm
Dk: 60
H2O: 56%
Modulus: 0.5MPa
CT: .07mm @ -3D
Extended Wear: No
Replacement: Daily
Material: somofilcon A
Propeties: non-ionic, silicone hydrogel
Availability: Available
Pricing:
Private Labels: Sofmed Breathables 1-Day Advanced Multifocal, Voyant 1 Day Multifocal Plus, Fresh Day Multifocal Plus, Pearle Vision 1 Day Multifocal Advanced
Available Powers:
+8.00D to -12.00D (0.50D steps after -10D)

Initial Fitting:
Spectacle Rx Add Dominant Eye Non-Dominant Eye
+0.75D to +1.25D LOW LOW
+1.50D to +1.75D LOW MED
+2.00D to +2.50D LOW HIGH
Distance Vision Enhancement: Adjust Sphere Power of Dominant Eye ±0.25D
Near Vision Enhancement: Adjust Sphere Power of Non-Dominant Eye ±0.25D
Do not adjust add power.
Or use OptiExpert^® Fitting calculator .
Base Curve
8.6
Diameter
14.1
Dk
60
Power Range
+8.00
to
-12.00
Quantity
30, 90

Spectacle Add	Dominant Eye	Non-dominant Eye
+0.75, +1.00, +1.25	+1.50 D	+1.50 D
+1.50, +1.75	+1.50 D	+1.50 N
+2.00, +2.25	+2.00 D	+2.00 N
+2.50 or above	+2.50 D	+2.50 N

Spectacle Add	Dominant Eye	Non-dominant Eye
+0.75, +1.00, +1.25	+1.00D	+1.00D
+1.50, +1.75	+1.50D	+1.50D
+2.00	+2.00D	+2.00N
+2.50 or above	+2.50D	+2.50N

Base Curve	Diameter	Sphere Power Range
8.6, 8.9	14.2	-0.25D to -10.00D (0.50D steps after -6.00D)
8.8	14.2	+0.25D to +6.00D (0.50D steps after +5.00D)

Spectacle Rx Add	Dominant Eye	Non-Dominant Eye
+0.75D to +1.25D	LOW	LOW
+1.50D to +1.75D	LOW	MED
+2.00D to +2.50D	LOW	HIGH

clariti 1 day toric

CooperVision

Base Curve: 8.6mm

Diameter: 14.3mm

Dk: 60

H2O: 56%

Modulus: 0.5MPa

CT: .105mm @ -3D

Extended Wear: No

Replacement: Daily

Material: somofilcon A

Propeties: non-ionic, silicone hydrogel

Availability: Available

Pricing:

Private Labels: AquaTech Plus 1-Day Toric, Ethos AquaTech 1 Day for Astigmatism, Fresh Day Toric, iWear Activ for Astigmatism, Pearle Vision 1 Day for Astigmatism, Ray-Ban 1-Day for Astigmatism, Sofmed Breathables 1-Day Toric, Voyant 1 Day Toric

Available Powers:

Sphere	Cylinder	Axis
Plano to -6.00D (0.25D steps)	-0.75, -1.25, -1.75	10°, 20°, 30°, 40°, 50°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 130°, 140°, 150°, 160°, 170°, 180°
Plano to -6.00D (0.25D steps)	-2.25	10°, 20°, 70°, 80°, 90°, 100°, 110°, 160°, 170°, 180°
-6.50D to -9.00D (0.50D steps)	-0.75, -1.25, -1.75	10°, 20°, 60°, 70°, 80°, 90°, 100°, 110°, 120°, 160°, 170°, 180°
-6.50D to -9.00D (0.50D steps)	-2.25	10°, 20°, 90°, 160°, 170°, 180°
+0.25D to +4.00D (0.25D steps)	-0.75, -1.25, -1.75	10°, 20°, 70°, 80°, 90°, 100°, 110°, 160°, 170°, 180°

Base Curve

8.6

Diameter

14.3

Power Range

+4.00

-9.00

Quantity

30, 90

Poor Near Vision Adjustment 1
SPECTACLE ADD	DOMINANT EYE	NON-DOMINANT EYE
Up to +1.25	LO	LO with additional +0.50
+1.50 to +2.00	MED	MED with additional +0.50
+2.25 to +2.50	HI	HI with additional +0.50

Poor Near Vision Adjustment 2
SPECTACLE ADD	DOMINANT EYE	NON-DOMINANT EYE
Up to +1.25	MED	MED
+1.50 to +2.00	MED	HI
+2.25 to +2.50	HI	MED

Poor Distance Vision Adjustment
SPECTACLE ADD	DOMINANT EYE	NON-DOMINANT EYE
+1.50 to +2.00	LO	MED
+2.25 to +2.50	HI	MED

Sphere power	+8.50D to +20.00D and -10.50D to -20.00D (0.50D steps)
Cylinder power	-0.75, -1.25, -1.75, -2.25
Axis	5° to 180° (5° steps)

AIR OPTIX plus HydraGlyde

Alcon

Available Powers:

AIR OPTIX plus HydraGlyde for Astigmatism

Alcon

Available Powers:

AIR OPTIX plus HydraGlyde Multifocal

Alcon

Available Powers:

Avaira Vitality

CooperVision

Available Powers:

Avaira Vitality toric

CooperVision

Available Powers:

Biofinity

CooperVision

Available Powers:

Biofinity Energys

CooperVision

Available Powers:

Biofinity multifocal

CooperVision

Available Powers:

Biofinity toric

CooperVision

Available Powers:

Biofinity toric multifocal

CooperVision

Available Powers:

Biofinity XR toric

CooperVision

Available Powers:

Biomedics 55 premier

CooperVision

Available Powers:

Biomedics toric

CooperVision

Available Powers:

Biotrue ONEday

Bausch & Lomb

Available Powers:

Biotrue ONEday for Astigmatism

Bausch & Lomb

Available Powers:

Biotrue ONEday for Presbyopia

Bausch & Lomb

Available Powers:

clariti 1 day

CooperVision

Available Powers:

clariti 1 day multifocal

CooperVision

Available Powers:

clariti 1 day multifocal 3 Add

CooperVision

Available Powers:

clariti 1 day toric

CooperVision

Available Powers: