Thick GELs ... and OINTMENTS ... not just for night time
More viscous aqueous tear substitutes / eye gels contain a higher proportion (approx. 0.3%) of hyaluronic acid and / or other substances for water retention and can thus moisturize the eye for a longer time.
for a moderately advanced dry eye condition: gels and ointments are primarily intended for overnight use, mainly because they may cause temporary foggy vision during day time that is unconvenient for many patients.
In case of severe dry eye: Gel or Ointment should also be used during the day as it moisturizes the eyes for a longer time than the thin liquid teardrops .
=> Here is a more in-depth information on therapy options with tear substitutes .
=> Here is further information about a staggered therapy for dry eyes according to severity
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