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  2. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    drops GSL General sales list Gutt/g Guttae (drops) Meds Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) qds/qid Four times a day Rx Prescription tds/tid Three times a day ung Ointment

  3. Differential scanning calorimetry - Wikipedia

    en.wikipedia.org/wiki/Differential_scanning...

    DSC is used in the study of liquid crystals. As some forms of matter go from solid to liquid they go through a third state, which displays properties of both phases. This anisotropic liquid is known as a liquid crystalline or mesomorphous state.

  4. Artificial tears - Wikipedia

    en.wikipedia.org/wiki/Artificial_tears

    A 2016 Cochrane Review seeking to compare the effectiveness of various over the counter artificial tears in treating dry eye. While the review stated that it is unclear which artificial tear formulation works best, two trials found that 0.2% polyacrylic acid-based tears were more effective in treating dry eye symptoms over 1.4% polyvinyl ...

  5. Cholesteric liquid crystal - Wikipedia

    en.wikipedia.org/wiki/Cholesteric_liquid_crystal

    A cholesteric liquid-crystal display (ChLCD) is a display containing a liquid crystal with a helical structure and which is therefore chiral. Cholesteric liquid crystals are also known as chiral nematic liquid crystals. They organize in layers with no positional ordering within layers, but a director axis which varies with layers.

  6. Lyotropic liquid crystal - Wikipedia

    en.wikipedia.org/wiki/Lyotropic_liquid_crystal

    A highly viscous cubic phase gel made of polysorbate 80, water, and liquid paraffin. Lyotropic liquid crystals result when amphiphiles, which are both hydrophobic and hydrophilic, dissolve into a solution that behaves both like a liquid and a solid crystal. This liquid crystalline mesophase includes everyday mixtures like soap and water. [1] [2]

  7. These Drugstore Eye Creams Might Be Better Than Your Luxury ...

    www.aol.com/drugstore-eye-creams-might-better...

    Dermatologists explain the best ingredients to look for in an eye cream to treat fine lines and wrinkles. Here, shop the 14 best drugstore eye creams. ... evidence-based products at all price ...