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Intraocular Lens

 Home / Intraocular Lens/HYDROPHILIC Lens

HYDROPHILIC Lens

Our single piece, foldable acrylic lenses are available with open and closed haptic designs, optimized "C" shape for optimized contact with the capsular bag. A product profile is developed to yield attributes desired for a foldable lens material. These attributes include optical for clear post surgical vision, mechanical for easy handling for the surgeon and toxicological properties making the lens non-irritating to surrounding tissues after implantation. A range of models are available for acrylic foldables in increments of 0.5 diopter. Foldable acrylic lens can be supplied with holder folder for ease of handling during surgery.

Acryfold (Clear foldable)

Acryfold is manufactured using the latest technology, ensuring good memory and high accuracy. The lenses  are made with time tested imported high quality UV absorbable Hydrophilic material. The combination of the best material and the choice of design makes the Hydrophilic single piece a complete range of product. The advantage of a foldable lens is clearly that the size of the incision can be made very much smaller.

EZY FOLD 502

EZY FOLD 502
Optical Diameter 6.00 mm
Overall Length 12.50 mm
Positing Holes 0
Optic Design Equi-Biconvex
A Constant 118.0
Angulation

CENTRY FOLD 601

CENTRY FOLD 601
Optical Diameter 6.00 mm
Overall Length 12.50 mm
Positing Holes 0
Optic Design Equi-Biconvex
A Constant 118.0
Angulation

CLASSY FOLD 701

CLASSY FOLD 701
Optical Diameter 6.00 mm
Overall Length 11.00 mm
Positing Holes 0
Optic Design Equi-Biconvex
A Constant 118.0
Angulation
 
Special Features Benefits
  •  

    Equi-Biconvex and special Haptic design with slots prevents post-operative complications such as buckling or anteroposterior movement of the lens

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    Because of post-operative stability, this design performs well in centration and in refraction accuracy

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    The Square Edge design of these Models reduces PCO and the Haptics are relatively stiffer to withstand the forces of capsule contraction

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    High power lenses (upto +34D) may be injected through an unenlarged wound size of 3.0 mm diameter

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    The Multi Focal Lenses (Model MF 705 and MF 605) will have an additional 4.5D for near vision

        

nAspro (Clear Aspheric foldable)

Nano Aspheric Precision Optics

Naspro lens has Aspheric Anterior Surface that negates the spherical aberrations. Advanced Wavefront Technology is used to improve the lens’ Optical Efficiency.

Material Characteristics

Nature Copolymer of Hydroxy Ethyl Methacrylate and Methyl Methacrylate
UV Blocker AEHB
Linear Expansion 1.127 ± 0.01 at 20° C
Radial Expansion 1.122 ± 0.01 at 20° C
Water content 26% at 20° C
Refractive Index 1.460 HYDRATED at 20° C
Refractive Index 1.461 HYDRATED at 35° C
Optical Transmission >95%
Density 1.18g/cm³ HYDRATED
Tensile Strength 56.86 kg/cm²
Elasticity 279%
Sterilization Moist Heat Sterilization
Diopter 6.00 D - 25.0 D in 0.5 Diopter Increment

Special Features & Benefitsl

  •  

    Improved Optical Efficiency

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    Reduced Higher Order Aberrations

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    Excellent Quality of Vision under all light conditions

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    Square Edge Prevents PCO

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    Increased Contrast Sensitivity

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    Increased Functional Vision

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    Easy Injecting System

Technical Specification

Ref NAS 207
Optical Diameter 6.00 mm
Overall Length 12.50 mm
Positioning Holes 0
Optic Design Equi-Biconvex
A Constant 118.0
Angulation
 
nAspro BBY( yellow Aspheric foldable )

The BLUE BLOCKING YELLOW prevents ARMD

nAspro BBY

Technical Specification

Ref NASY 207
Optical Diameter 6.00 mm
Overall Length 12.50 mm
Positioning Holes 0
Optic Design Equi-Biconvex
A Constant 118.0
Angulation

    

    

Hydrophilic (HEMA) Material

Why opt for Foldable Intraocular Lenses?

The traditional material used in the manufacture of Intraocular Lenses for over 50 years now, has been a clinical grade of PMMA, which has been found to be suitable for implants in the human body.

The disadvantage of PMMA is that it is hard and it cannot be folded. Hence, the size of the incision in the eye for the insertion of the actual lens has to be at least as large as the diameter of the IOL.

The clear advantage of a foldable lens is the size of the incision. It can be made very much smaller so the trauma caused to the eye during the surgery is considerably reduced and the quality of vision is greatly improved by reducing the Surgically Induced Astigmatism. Hence, the surgery becomes simpler and the patient’s recovery is faster.

Specification of HEMA Material

Nature Copolymer of Hydroxy Ethyl Methacrylate and Methyl Methacrylate
UV Blocker AEHB
Linear Expansion 1.127 ± 0.01 at 20° C
Radial Expansion 1.122 ± 0.01 at 20° C
Water Content 26% at 20° C
Refractive Index 1.460 HYDRATED at 20° C
Refractive Index 1.461 HYDRATED at 35° C
Optical Transmission >95%
Density 1.18g/cm³ HYDRATED
Tensile Strength 56.86 kg/cm²
Elasticity 279%
Sterilization Moist Heat Sterilization
Diopter 6.00 D - 25.0 D in 0.5 Diopter Increment

        

Multi Diff

Multi Diff

About

MULTI DIFF is made of highly Biocompatible HEMA material, with 26% water content is fabricated by Polish Free Nano Lathe Cut Technology with minimal spectacle dependency

MULTI DIFF

Optic Design
  • Good functional vision from all distances

  • Excellent patient satisfaction

  • Enjoy the crystal clear vision under all light conditions

  • Independent of Pupil size

MULTI DIFF

Aspheric Optics

  • The negative asphericity provided in MULTI DIFF affords better visual quality than any other spherical IOL

  • The Negative Asphericity ensures a good balance between Contrast Sensitivity and Depth of Perception

  • The Aspheric optic of the MULTI DIFF IOL design aligns light rays to compensate for Positive Corneal Spherical Aberration, resulting in enhanced image quality

MULTI DIFF

Assured Quality & High Contrast

  • 100% Quality check using IOLA-MFD for diffraction, MTF and Airforce target methods

  • Each MULTI DIFF diffractive-refractive Multifocal IOL is individually tested for MTF

MULTI DIFF

Features

  • The Aspheric optic of the “Multi DIFF” IOL design aligns light rays to compensate for positive corneal spherical aberration, resulting in enhanced image quality.

  • ANegative spherical aberration design improves contrast sensitivity and low light visual acuity compared with spherical IOLs.

  • The negative -0.20 asphericity ensures a good balance between aspericity and depth of perception

  • The unique anterior diffractive design reduces halos and yields superior vision

MULTI DIFF

Technical Specifications

Ref : MFD605
Optic Diameter : 6.00 mm
Overall Length : 12.50 mm
Optic Type : Diffractive - Refractive Optic
Haptic Angulation :
Asphericity : Negative Asphericity on Posterior Surface
Square Edge : 360° Square Edge
A-Constant : 118.6
Refractive Index : 1.46
Diopter Range : +6.0D to 30.00D (in 0.5D increments)
Filtration : UV
Injecting System : Easy to use disposable injector & cartridge
REFRACTIVE IMPLANTABLE LENS

REFRACTIVE IMPLANTABLE LENS

About Refractive Implantable Lens

  • Refractive Implantable Lens (RIL) is a single piece Foldable phakic IOL, placed in sulcus of the eye in front of natural lens to correct Myopia, Hypermetropia & Astigmatism

  • Made of Bio-compatible Acrylic Hydrophilic (26%) material to ensure long term performance

  • It has Four Peripheral Holes for aqueous humour flow

  • Refractive Implantable Lens has power range from -1D to -23D for Myopic patients & 0 to 10 D for Hypermetropic patients

REFRACTIVE IMPLANTABLE LENS

Salient Feature

  • Biocompatibility

  • Excellent Positional Stability

  • Peripheral Iridectomy required for all the patients for better aqueous flow

  • RIL - vault within a range of 400μ to 700μ

  • Four Peripheral Holes for aqueous humour flow

  • High Patient Comfort & Satisfaction

Clinical Result

Visual acuity
RIL post-op results shows 92% of the patients gets 6/6 and 6/9 uncorrected distance visual acuity

 

Refraction
RIL post-op results shows ±0.25 residual error in 88% of patients & ±0.5 residual error in 12% of patients

OCT image shows RIL Vaulting range : between the 429 microns to 627 microns

QUALITY AND ACCURACY

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    Each “ RIL ” is individually tested with Optical bench system for power, quality and MTF for testing near and far focal points

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    Assured higher MTF Values, higher the contrast from all distances & under all lighting conditions

Specification

Material Hydrophilic 26%
Optic Size 4.50 mm To 5.00 mm
Overall 11.50 mm to 13.00 mm
Refractive Index 1.460
Diopter -1.0 D to -23.0 D
Implantation Site Posterior Chamber
Sterilization Steam

For more details visit: http://www.rilphakic.com/ Or Contact our local Regional sales Centers