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13:18 Mar 30, 2004
English to English translations [PRO] Tech/Engineering - Materials (Plastics, Ceramics, etc.)
English term or phrase:untinted discoloration, tinted discoloration tinted fade
The three is under a general topic: contact lens evaluation for discoloration
Please kindly tell me in simple English waht they mean.
RHELLER United States Local time: 05:24 Native speaker of: English PRO pts in category: 4
Thank You Both!
1 hr confidence:
see explanation below
Explanation: Okay, I will give it a shot. The first term, untinted discoloration, is an unintentional change of colour that occurs when lens get old. This term applies to lens that are not tinted to begin with. "Typical signs that a lens is approaching the end of its life are hazy vision, discomfort, and lens discoloration and deposits." http://www.contactlenses.co.uk/education/public/faq2.htm
The second term, tinted discoloration, is when tinted lens start to discolour (change colour), like above, unintentional due to use.
The third,tinted fade, I imagine is when tinted (coloured) lens begin to fade (the colour gets dull). However, fade can also refer to the tint itself when talking about lens in general. A little more context would be helpful.
I am not an optical expert, so I hope someone who is will pipe up for you.