Alden HP49 (Toric)

Lenses>Specialty Soft Lenses>Toric>AldenHP49

Design

• Made in Hioxificon B material

• 49% Water

• 15 DK (ISO)

• Superior Durability

• Torics a double slab-off design with dual thin zones, thin lens design with no prism round optics, not oval

• 2 dx marks at 0 and 180

• Front and back toric available

• All Lenses are made to order

Candidates

• Good for dry eye wearers

• Problem solving & preventing

• Challenging fits & Rxs

• Replacing discontinued or hard to get lenses

Lens Parameters

• Base Curve:

8.3, 8.6, 8.9

• Sphere Power:

+30.00D to -30.00D in .25D steps

• Cylinder Power

• -.25D to -10.00D in .25D steps

• Axis

1 to 180 in 1 steps

• Diameter:

14.5mm

Fitting

• New fits

  • Empirically fit the lens based on spectacle Rx & K readings.

  • When empirically fit, 1^st pair is common, but adjustments are often necessary.

• Replacing Other Brands

  • Alden HP should be considered an upgrade to previous prescribed products

  • Alden HP Lenses utilize contemporary materials & designs.

  • Alden’s lenses will not perform exactly like other brands.

• Adjusting lenses

  • Utilize the original pair as diagnostic lenses to make adjustments to the design.

  • Obtain 1) general fitting characteristics 2) over-refraction 3) orientation observations