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| ACLM Groups |
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Group 1a:
Essentially pure 2-hydroxyethyl methacrylate (HEMA) containing not more than0.2% weight of any ionizable chemical (e.g. methacrylic acid)
Group 1b:
Essentially pure 2-hydroxyethyl methacrylate, containing more than 0.2% weight of any ionizable chemical.
Group 2a:
A copolymer of 2-hydroxyethyl methcrylate and/or hydroxyalkyl methacrylates, dihydroxyalkylmethacrylates and alkyl methacrylates, but not more than 0.2% weight of any ionizable chemicals.
Group 2b :
As descripbed in Group 2a, but containing more than 0.2% weight of any ionizable chemicals.
Group 3a:
A copolymer of 2-hydroxymethyl methacrylate with an N-vinyl lactam and/or an alkyl acrylamide, but containing not more than 0.2% weight of any ionizable chemicals.
Group 3b:
As described in Group 3a, but containing more that 0.2% weight of any ionizable chemicals.
Group 4a:
A copolymer of alkyl methcrylate and N-vinyl lactam and/or an alkyl acrylamide, but containing not more than 0.2% weight of any ionizable chemicals.
Group 4b:
As described in Group 4a, but containing more than 0.2% weight of any ionizable chemicals.
Group 5:
Soft lens materials formed from polysiloxanes. |
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ACLM Group
The chemical group classification of soft lens (filcon) materials by the Association of Contact Lens Manufacturers. |
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• Find Contact Lenses in a material of a special ACLM Group in the Advanced Search
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Highlight of the month |
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EA 9331/S / 048/LX
by Emporio Armani
 One of the largest and most influential fashion labels of our time captivates in its collections with large simplicity and timeless elegance.
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£ 71.20 |
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[ Details ] |
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