It’s a frequent tear film alteration that can be both qualitative and quantitative.
Symptoms are red eye, itching, pain, sensation of a foreign body, blurred vision and tearing.
Hormonal changes, systemic drugs, environmental conditions, ocular surgery, use of contact lenses can affect lacrimal gland function.
Bad tears leads to an inflammation that causes a worsening of tear production maintening a vicious circle.
The use of specifical lacrimal substitutes consents symptom reduction.
Dry Eye diagnosis is possible with eye examination with the addition of Schirmer and BUT tests.