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  2. How to Clean Glasses to Get Rid of Smudges and Streaks - AOL

    www.aol.com/clean-glasses-rid-smudges-streaks...

    To clean glasses with lens wipes, wipe the insides of your lenses in horizontal motions. Once finished, wipe the outside of the lenses in vertical motions. Dry the lenses with a microfiber cloth.

  3. Heavy-headedness - Wikipedia

    en.wikipedia.org/wiki/Heavy-headedness

    Panic attacks can cause heavy-headedness as well. Medical conditions like anxiety causes heavy-headedness too. [5] A sinus infection can cause facial pressure and pain, as well as nasal congestion and headaches, which are also known as heavy-headedness. [citation needed] New users to specific drugs can cause heavy-headedness.

  4. Clouding of consciousness - Wikipedia

    en.wikipedia.org/wiki/Clouding_of_consciousness

    Clouding of consciousness, also called brain fog or mental fog, [1] [2] occurs when a person is slightly less wakeful or aware than normal. [3] They are less aware of time and their surroundings, and find it difficult to pay attention. [3] People describe this subjective sensation as their mind being "foggy". [4]

  5. Glass disease - Wikipedia

    en.wikipedia.org/wiki/Glass_disease

    The initial stage of glass disease occurs when moisture causes alkali to be leached out of the glass. This becomes apparent when hygroscopic alkali deposits on the glass give it a cloudy or hazy appearance. [7] [13] This may occur within as little as five to 10 years of the glass's manufacturing.

  6. Photokeratitis - Wikipedia

    en.wikipedia.org/wiki/Photokeratitis

    Common causes include welding with failure to use adequate eye protection such as an appropriate welding helmet or welding goggles. This is termed arc eye , while photokeratitis caused by exposure to sunlight reflected from ice and snow, particularly at elevation, is commonly called snow blindness . [ 5 ]

  7. Fogging (photography) - Wikipedia

    en.wikipedia.org/wiki/Fogging_(photography)

    The most common cause is the use of old or spent chemistry which often results in a lack of contrast. It is often associated with chemical staining which may produce an undesirable background colour - usually brown. Dichroic fog is a type of fogging produced during development, especially when using developers with chemical solvent components. [6]

  8. Dysgeusia - Wikipedia

    en.wikipedia.org/wiki/Dysgeusia

    Common causes of dysgeusia include chemotherapy, asthma treatment with albuterol, and zinc deficiency. Liver disease, hypothyroidism, and rarely, certain types of seizures can also lead to dysgeusia. Different drugs can also be responsible for altering taste and resulting in dysgeusia.

  9. Astigmatism (optical systems) - Wikipedia

    en.wikipedia.org/wiki/Astigmatism_(optical_systems)

    Astigmatism causes difficulties in seeing fine detail. Astigmatism can be often corrected by glasses with a lens that has different radii of curvature in different planes (a cylindrical lens), contact lenses, or refractive surgery. [5] Astigmatism is quite common. Studies have shown that about one in three people suffers from it.