Howard Instruments, Inc. is committed to reducing world
blindness by providing precision quality, single piece,
intraocular lens below market prices. Our unique computerized
manufacturing process incorporates the most dramatic
technological advances in its field. All of our lenses
are manufactured with Perspex CQUV, the original and most
widely accepted implantable PMMA. Plus, our lenses contain
an additional UV absorbing component which provides a full
range of UV protection. This feature approximates the UV
absorbing characteristics of the natural crystalline lens.
Also, our uniquely smooth, one-piece construction minimizes
the risks of cell accumulation at the optic-haptic junction.
All of our lenses are produced with 1:1 Anterior-to-Posterior
Curvature Ratio. This "Equiconvex" design permits the
thinnest possible lenses, which will provide outstanding
optical imaging with less spherical aberration than
conventional IOL's. With the added benefit of no detectable
shift in the optical plane to haptic force vector relationship,
providing consistent power predictability throughout the dioptric
The haptics on our whole range of lenses are step-vaulted,
which is now becoming an industry standard. With this design
technique, the haptic is initially angled upward then flattened.
This step-vaulting of haptics facilitates "in-the-bag"
implantation and holds the IOL gently against the posterior
capsule. Stability "in the bag" is assured by the stresses
being distributed evenly along the flat portion of the haptic.
Posterior chamber LENSES are available in Modified C
configuration with optic diameters of 5.25mm, 5.5mm, 6.0mm,
and 6.5mm. Anterior chamber lenses with a 6.0mm optic diameter
are available in 12.0mm, 12.5mm and 13.0mm overall lengths.
All lenses are available in powers from +10.0D to +30.0D, with
0.5D powers available from +17.0 to +24.0D. Diopter powers
outside this range may be requested on a "special order" basis.