Alden HP59

Lenses> Soft Lenses>Single Vision>AldenHP59

Design

• Made in Hyoxificon A material

• 59% Water

• 24 DK (ISO)

• Superior Durilibility

• All Lenses are made to order

Candidates

• Use of r extremely dry eye

• Superior end of day comfort

• Superior durability

• Challenging fits & RXs

• Replacing discontinued or hard to get lenses

Lens Parameters

• Base Curve:

8.3, 8.6, 8.9

• Distance Power

+30.00D to -30.00D in .25D 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