Materials

Plastic lens technology offers uncompromised clarity in a lightweight, comfortable alternative to glass lenses.
On the leading edge of innovation, Hoya has continuously developed unique plastic lens materials with superior ophthalmic properties. Hoya offers a wide range of designs in plastic, catering for a variety of budgets and lifestyles as well as cosmetic and comfort requirements.


Eyry 1.70
 
EYRY 1.70
An extremely thin and lightweight high-index plastic material that is flexible, enhances quality of vision and has the style to make a fashion statement, even in the higher prescription ranges. Details.
 
Eynoa 1.67
 
EYNOA 1.67
Eynoa 1.67 is a thin and elegant material of unrivalled Hoya quality - a perfect answer to the ever-present demand for thin and lightweight lenses with a high degree of durability and reliability. Suntech photochromic coating available in option. Details.
 
Eyas 1.60
 
EYAS 1.60
An elastic high-index plastic material of superior clarity and quality. Thin and lightweight, Eyas 1.60 offers exceptional comfort and, thanks to its specific properties, great durability and accuracy. Suntech photochromic coating and polarized available in option.
 
Solio 1.55
 
Suntech
SOLIO 1.55 SUNTECH
Adding the Suntech photochromic material to the monomer mix creates Solio 1.55 Suntech. This product is more elastic and flexible, removing much of the risk involved when faceting or fitting in frames. Details.
 
Phoenix 1.53
 
PNX 1.53
Strong, reliable lens and is highly impact resistant. Extremely thin and light. Completely free of optical stress distortion, thanks to the revolutionary composition of material properties and production techniques. Transitions variable tint available in option. Details.
 
CR39 1.50
 
CR39 1.50
Hoya’s standard index lenses offer practicality and a range of opportunities with a specific gravity of 1.32 and an Abbe value of 58.0. Transitions variable tint available in option.
 
Glass
 
GLASS
Wide variety of high-quality glass lenses for those customers who prefer mineral over plastic. Range of indexes from 1.52 to 1.90 and are available as uncoated or multi-coated lenses.
 


Progressive Designs
Thanks to its individual characteristics, the Hoyalux concept offers all possibilities and combinations for a variety of lifestyles and personal needs. The lens designs are available in 1.5, 1.6 (EYAS) 1.67 (EYNOA) and 1.7 (EYRY) material with coating options to suit everyone. Also glass indexes available in some designs
Hoyalux is. a soft progressive design. Hoya has developed a different design for each base curve to enable optimum stability for the patient. The lens design is also modified by the reading addition to provide the perspective, balance, and distinction each individual patient requires.

Hoyalux
 
iD
Hoyalux iD
The world's first Integrated Double Surface Progressive Design. Using the two surfaces of a progressive lens dramatically reduces the amount of distortion in front of the eye and creates the largest distortion-free zone available today. Details.
 
 
Hoyalux
 
Summit PRO
Hoyalux Summit PRO
Designed to make it easier for the presbyope to read, interact and generally feel more comfortable. Excessive head movements and strenuous searching for the addition, corresponding to the distance concerned, are now problems of the past. Details.
 
 
Hoyalux
 
Summit CD
Hoyalux Summit CD
The Hoyalux Summit CD has been specially designed to fit small trendy frames, with a recommended minimum fitting height of 14mm. The Hoyalux Summit CD offers all the benefits of a fully fledged progressive lens. Details.
 
 
Hoyalux
 
Wide

Hoyalux Wide
A step up from the standard Hoyalux GP the Hoyalux Wide uses 3 variable insets on the reading area and the wide design gives the wearer up to a 23% wider reading area than the Hoyalux GP. Highly recommended for customers with higher distance prescriptions and reading additions. Details.

 
 


Coatings
In order to upgrade the performance and lifetime of the base lens, Hoya offers a number of lens surface treatments. To meet the expectations of the patient, some treatments are standard, whilst others are optional. Stringent quality control standards are imposed not only for the lens process, but for the entire manufacturing process, right through our coatings.


Hard
 
HARD
Hard is a customized scratch resistant coating, tailored to the specific index of lenses. Available to order or as standard with some of premium lenses, Hard also forms the base coat for all our Anti-Reflection coatings.
 
View Protect
 
Hi VISION VIEWPROTECT
With a low electrostatic load attracts very little dust, keeping the lenses cleaner for longer water droplets and oil have virtually no grip on the lens surface. Lenses do not mist over with condensation when switching between cold and warm surroundings. Details.
 
Suntech
 
SUNTECH
Hoya's photochromic coating. A photochromic top layer which is applied to the front surface of the lens using Hoya’s high performance spin coating technology. The ideal solution for your customers who want to wear thin and light lenses with photochromic properties in conventional or rimless mounts. Details.
 
Aqua & HM
 
HI VISION AQUA & HARD HM
Hoya’s Hi Vision Aqua coating increases light transmission to over 99%, allowing a significant level of light to reach the eye in a wide range of light conditions. It is characterized by a consistent green reflex color.
Hoya’s Hard HM Anti-Reflection coating increases light transmission to 98.6% and is characterized by a consistent blue reflex color. The Hard HM multicoat is made complete by the addition of Hoya’s Hard scratch resistant coating and Aquacoat treatment.
 


Polarized
Since Hoya's polarized lenses are available in Eyas 1.60, you will have a tailor-made response to the demand for thin, lightweight lenses. The ideal ourdoor lens is now available in combination with the highest-performing material.

Dynamic
 
Sphere

With the introduction of polarized lenses combined with Eyas 1.60, Hoya provides you with the best of both worlds. For the first time ever, the functionality of polarized lenses has been combined with the comfort and quality of thin and elastic Hi-index plastic of superior clarity. Details.

(Polarized)
 


Variable Tint Lens
Transitions Lenses change from clear to dark in the presence of ultraviolet light, and block 100% of harmful UV rays. Our innovative photochromic technologies have produced unparalleled lens performance in nearly every lens design and material, including shatter-resistant lenses, bifocals,, progressives, single vision and mid-index material.

Transitions
 

The world best photocromic technology meets the world's renowed top quality Hoya lenses. Hoya Transitions range includes single vision, progressive and bifocal designs. Details.

 


Tints
Hoya offers a wide range of tints, which can be applied to Hoya’ s various plastic lens materials. Solid tints are color tints with one level of absorption from edge to edge.

Spectrum
 
Sphere

Choosing the right color has never been easier.
Details.

 
 


Quality

The Following quality marks can be found on Hoya manufactured lenses and are your assurance that the lenses that you receive are genuine Hoya products.

LENS NAME

QUALITY MARK

Plastic Single Vision
Nulux EP Eyry 1.70
(/) 7
Nulux Eyry 1.70
(~) 7
Nulux Eynoa 1.67  
Hilux Eynoa 1.67
5
Nulux Eyas 1.60
(~) 6
Hilux Eyas 1.60
(-) 6
Hilux Sunbrown/Gray 1.55
(-) 5
Hilux PNX 1.53
P (-)
Nulux 1.50
(~) 4
Hilux 1.50
(-) 4

Plastic Bifocals
C28 Eyas 1.60
T 1
C28 Sunbrown 4 1.55
N
C28 1.50
(-) 4
S28 1.50
(-) 4

Plastic Intermediate/Close
Hoyalux TACT
T 1
Addpower
AP 1
Lecture B
L 1

Plastic Progressives
Hoyalux iD 14mm Eyry 1.7
I 44
Hoyalux iD 14mm Eynoa 1.67
I 45
Hoyalux iD 14mm Eyas 1.6
I 43
Hoyalux iD 11mm Eyry 1.7

I 14

Hoyalux iD 11mm Eynoa 1.67
I 15
Hoyalux iD 11mm Eyas 1.6
I 13
Hoyalux Summit Pro Eyry 1.70
SP 4
Hoyalux Summit Pro Eyas 1.67
SP 5
Hoyalux Summit Pro Eyas 1.60
SP 3
Hoyalux Summit Pro Sunbrown/Sungray 4
SP 2
Hoyalux Summit Pro PNX 1.53
SP X
Hoyalux Summit Pro 1.5
SP 1
Hoyalux Summit CD Eynoa 1.67
CD 5
Hoyalux Summit CD Eyas 1.60
CD 3
Hoyalux Summit CD 1.50
CD 1
Hoyalux Wide Eyry 1.70
W 4
Hoyalux Wide Eyas 1.60
W 3
Hoyalux Wide Sunbrown/gray 4
W 2
Hoyalux Wide 1.50
W 1
Hoyalux GP Eyas 1.60
G 3
Hoyalux GP 1.50
G 1

Glass Single Vision
THI-2 1.81
(-) 8
LHI 1.70
(-) 7
UV 1.52
(-) 5

Glass Bifocals
C28 1.52
(-) 5
C28 SBX/SGX 1.52
(-) 5

Glass Progressives
Hoyalux Summit Pro LHI 1.70
SP 4
Hoyalux Summit Pro LHI-2 1.60
SP 3
Hoyalux Wide LHI 1.70
W 4
Hoyalux Wide LHI-2 1.60
W 3
Hoyalux Wide SBX-2 1.60
W3
Hoyalux Wide 1.52
W1



Tolerances
The following tables list tolerances accepted by the South African Optometric Association and the South African Bureau of Standards.

TOLERANCES ON POWER OF ALL INDIVIDUAL LENSES
NOMINAL LENS
POWER, DIOPTRES
TOLERANCE ON SPHERICAL POWER
& CYLINDRICAL POWER DIOPTRES
Up to and including 4.00
+/- 0.06
Over 4.00 up to and including 13.00
+/- 0.12
Over 13.00 up to and including 20.00
+/- 0.25
Over 20.00
+/- 0.50
   
TOLERANCES ON CYLINDRICAL AXES
NOMINAL CYLINDRICAL AXES
POWER, DIOPTRES
TOLERANCE IN DEGREES
Up to and including 0.25
+/- 5
Over 0.25 up to and including 0.50
+/- 3
Over 0.50 up to and including 2.00
+/- 2
Over 2.00
+/- 1

TOLERANCES ON OPTICAL CENTRATION OF INDIVIDUAL LENSES
TYPE OF LENS NOMINAL BACK VERTEX POWER, DIOPTRES
TOLERANCE
Prism effect (measured at the nominal position of the center), prism dioptres, max.
Distance between actual and nominal positions of optical center, mm, max.
Uncut, single vision Up to and including 2.00
0.5
3.0
Uncut, single vision Over 2.00
0.60
2.0
Edged single vision
Horizontal
Vertical
 
0.25
1.0
0.15
Not applicable
Mulitifocal
Horizontal
Vertical
 
0.25
1.0
0.15
Not applicable

TOLERANCES ON PRISM POWERS OF PRISMATIC LENSES
NOMINAL LENS
POWER, DIOPTRES
TOLERANCE IN PRISM DIOPTRES
Up to and including 2.00
+/- 0.12
Over 2.00 up to and including 10.00
+/- 0.25
Over 10.00
+/- 0.50

MAXIMUM PERMISSIBLE ERRORS ON OPTICAL CENTRATION OF LENS PAIRS
PROPERTY PRISM EFFECT
PRISM DIOPTRES, MAX.
DECENTRATION, mm, MAX.
Horizontal centration
0.25
1.0
Vertical centration
0.25
Not applicable