A contact lens is a lens placed on the cornea of the eye.
Importance of buffers in contact lens products:
Buffers: They aim to keep the pH of the solutions at values between 6.6 and 7.8 in order to maintain the lens parameters and the effectiveness of the solutions. They are made by the combination of an acid and its sodium salt (phosphate and acetate for example). Borate and citrate buffers are used.
Importance of isotonicity in contact lens products:
The solution composed by isotonic saline solution.
Isotonia is expressed by osmolarity or cryoscopic lowering
- 0.236 to 0.446 mOsmoles / l (increases during the day)
- If the osmolarity of the mixture is different from that of the tears, it causes discomfort and irritation
• Increased tear secretion
• Increase the blink frequency
- If hypotonia, entry of water to the epithelial cells, if hypertonia: inverse
- Osmolarity restored 1 or 2 minutes after instillation
Graphs show information using visuals and tables use exact numbers. Each way organized data differently, but depending on the question, sometimes one is better than the other..
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Answer:
<u>the genotype is (Hh)</u> <u>phenotype hybrid which is a Guinea pig with hair</u>.( hybrid means its not a pureblood haired Guinea pig. pureblood means same. EX: (GG). Guinea pig with hair. its also known as heterozygous, and zygous.)
witch also means its heterozygous. there is no percentage chance for something to have a different genotype of phenotype.
