8 Comments

  1. Ferit Pervetica says:

    Perfect description…..very helpful…thanks

  2. i knew the answer but dint know the description thxx m clear now:-))

  3. Dr Indika Karunathillake says:

    Thank you very much. Very simple clear description .It was help me a lot.

  4. K.M. Sarfaraj Hossain says:

    It is very very helpful for ophthalmic nurses.
    ……..Sarfaraj

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