artificial tears: can they cause chemical burn when used improperly?

Discussion in 'Optometry Archives' started by Sandra, May 3, 2004.

  1. Sandra

    Sandra Guest

    2 weeks ago, I woke up at 3am w/dry eye. I used a vial of Bion
    artificial tears that came from a foil package of 4. I realized the
    next day that I should have thrown that package away -- you are
    supposed to use all 4 vials in the package w/in 4 days, and mine was 2
    weeks old!!

    There is a apparently a pH-stabilizing chemical that evaporates after
    4 days.


    I am concerned that using the vial after the cut-off time could have
    made the vial highly alkali and burned my eyes. My eyes were irritated
    for 2 days afterwards, then seemed to be ok. This was 2 weeks ago. Now
    I have a lot of eye pain, blood vessels in my cornea, increased
    floaters, decreased vision, and other eye problems.

    However, what complicates matters is that I also had an allergic
    reaction to an anesthetic the doctor put in my eye April 2nd (see my
    post on discoloration of pigment around my pupil, from May 1). I am
    trying to eliminate the artificial tears as a possible cause of my
    problems; if anyone knows about chemistry and the eye, can you please

    Here are the ingredients of the artificial tears:

    Active Ingredients: Duasorb, a water soluble polymeric system
    containing:: Dextran 70 0.1% (Lubricant), Hydroxypropyl
    Methylcellulose 2910 0.3% (Lubricant)

    Inactive Ingredients: Calcium Chloride, Magnesium Chloride, Potassium
    Chloride, Purified Water, Sodium Bicarbonate, Sodium Chloride, Zinc
    Chloride, Hydrochloric Acid and/or Sodium Hydroxide and/or Carbon
    Dioxide to adjust pH

    Sandra, May 3, 2004
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