Knisa Symptom

Knies's sign is a diagnostic sign that is used to determine the presence or absence of inflammation in the eye. This symptom was discovered and named after the German ophthalmologist Otto Knies, who described it in 1895.

The Knis symptom manifests itself in the form of redness and swelling of the cornea of ​​the eye. This occurs due to inflammation, which can be caused by various reasons such as infection, allergies or injury to the eye.

In order to detect the Knis symptom, the doctor uses a special instrument - an eye probe. It is injected into the conjunctival sac of the eye and then slowly moves towards the cornea. If redness and swelling of the cornea is observed, this may indicate the presence of inflammation.

The Knis symptom is an important diagnostic sign that allows the doctor to determine the cause of inflammation in the eye and prescribe appropriate treatment. However, if symptoms do not go away within a few days or worsen, you should consult a doctor for more detailed examination and treatment.



Knisa Symtom is one of the most famous ophthalmological symptoms, which is used to diagnose various eye diseases. It was described by the German ophthalmologist Konrad Knies in 1861.

Knisa's symptom is that when examining the fundus of the eye, the iris becomes dilated and motionless, and the pupil narrows. This condition may indicate a disease of the cornea or lens of the eye, such as keratitis or aphakia. Kneen's book also noted that seizures can lead to similar symptoms, so people who have ever experienced orbital contraction seizures may benefit from seeing an ophthalmologist. The Knis symptom has become popular since the 50s of the last century, although it was first discovered in the 19th century, as evidenced by the book “The New Eyeball” for 1835. However, only 115 years after the first description of this symptom, ophthalmologists recognized it on their own.

Most professionals take this symptom for granted. But those who have experienced dysfunction of the iris due to the fault of one of the “diamonds in the rough”, mistakenly mistaken for caries of hard tissues, feel it themselves. At first, it may be enough for a person to be advised to change contact lenses, but when this does not help, he has to look for a doctor who can cure the iris in this way,