Osmolarity means density. The density should be at a normal level, not too little or too little.
With the decrease in the amount of mucin, filamentous filamentous structures are formed. The increase in density and decrease in tears causes damage to the corneal epithelium and susceptibility to infection.
The osmilarity of the tear is around 303-305 mosm/L. After 316, it is considered as an excess of density.
Density should be at normal level.
Decreased water (aqueous) amount of tears increases osmolarity. That is, the tear becomes dense, sedimented, sticky, vision deteriorates, toxic substances and residues are not thrown out of the eye.
why does the ember decrease?
*Reduced blinking reduces aqueous. The reason for this is looking at the computer and mobile phone for a long time, reading for a long time. Blinks, which are around 28-30 per minute, decrease to 7-8. Don't forget that as you blink, tears are released.
*Hot environments, air conditioning, and summer months cause aqueous loss.
*Contact lens is the most serious cause of eye dryness, it increases tear density. As the water content in the contact lens increases, it absorbs the water from the eye like a sponge. Lenses with a low water content should be used.
*Dozens of systemic diseases reduce aqueous production.
Rheumatic diseases (rheumatoid arthritis and others)
Diseases such as Sjogren's syndrome, diabetes thyroid disease, systemic lupus and polymyositis reduce aqueous production.*The diet that causes fluid loss from the body reduces aqueous. Caffeine, alcohol, excessive tea, cigarettes, cola and carbonated drinks, such as chips…
*Aqueous loss: It is necessary to keep aqueous in the eye for a certain period of time. If the mouth of the meibomian gland is clogged with oil residue, the oil does not meet with the aqueous, it flows or evaporates immediately and evaporates. The decrease in density, that is, the abundance of tears, is the case in the obstruction of the lacrimal sac. The tear flows out of the eyelids, not from the duct, but leaves the eye.
If the tear does not leave the eye, infection develops. You can think of it as polluting standing water, and it is still harmful to the eyes.
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