Difference between revisions of "Template:FDA classification of soft contact lens materials"

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|+FDA classification of soft contact lens materials<ref name="stretton-04">{{cite web |last1=Stretton |first1=Serina |title=Should Silicone Hydrogels be Placed in a Separate FDA Soft Contact Lens Category? |url=http://www.siliconehydrogels.org/editorials/oct_04_serina.asp |website=siliconehydrogels.org |accessdate=3 September 2020 |date=October 2004}}</ref>
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|+FDA classification of soft contact lens materials<ref name="stretton-04">{{cite web |last1=Stretton |first1=Serina |title=Should Silicone Hydrogels be Placed in a Separate FDA Soft Contact Lens Category? |url=http://www.siliconehydrogels.org/editorials/oct_04_serina.asp |website=siliconehydrogels.org |access-date=3 September 2020 |date=October 2004}}</ref>
 
![[FDA]] lens group
 
![[FDA]] lens group
 
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!Adopted name

Latest revision as of 15:46, 22 December 2020

FDA classification of soft contact lens materials[1]
FDA lens group Adopted name Transmissibility level

(Dk x10-11)

Water content Chemical composition
I
non-ionic
low water content
galyfilcon A 60 47%
lotrafilcon A 140 24% DMA, siloxane, TRIS
lotrafilcon B 110 33%
polymacon 7.5 36% HEMA
tetrafilcon 9.0 43.5% HEMA, MMA, NVP
II
non-ionic
high water content
alphafilcon A 22.9 66% HEMA, NVP
hilafilcon A 26.9 70%
omafilcon A 19.6 62% HEMA, PC
III
ionic
low water content
balafilcon A 99 36% NCVE, NVP, PBVC, TPVC
bufilcon A 16.0 45% DA, HEMA, MAA
IV
ionic
high water content
etafilcon A 17.0 58% HEMA, MAA
ocufilcon D 19.7 55%
vifilcon A 16.0 55% HEMA, MAA, PVP
Template:Smalldiv
  1. Stretton, Serina (October 2004). "Should Silicone Hydrogels be Placed in a Separate FDA Soft Contact Lens Category?". siliconehydrogels.org. Retrieved 3 September 2020.