Causes Of Eye Miosis

Eye miosis refers to a condition in which the pupils of the eyes shrink to an abnormally small size despite being under normal lighting conditions. The condition is also commonly referred to as 'pinpoint pupils.' A small but important part of the eye, the pupils control the amount of light allowed to enter the eyes. They usually constrict and become smaller in bright light, an involuntary reflex that optimizes vision. However, this reflex can sometimes occur at inappropriate times and for various reasons. These can cause vision and adjustment issues that must be corrected using specialized dilating drops or by addressing any of the following underlying causes.

Horner's Syndrome

Horner's syndrome is a rare condition that affects the communication between the brain and one side of the face. When the nerve pathway connecting the brain and the face is disrupted, signals become altered or are not delivered at all. Individuals with this condition may have one pupil smaller than the other, as well as a droopy eyelid, or decreased sweating on one side of the face. Horner's syndrome can be inherited, develop after an injury or surgery involving the neck or spine, or be an after-effect of a stroke. Treatment is not exclusive to the syndrome; rather, the goal is to restore normal nerve functioning so electric signals can be properly sent and received.

Reveal the next cause of eye miosis now.

Inflammation Or Uveitis

Inflammation is another common cause of eye miosis. The term 'uveitis' is commonly used to describe a group of diseases that cause inflammation and swelling in the eyes, damaging or permanently destroying the eye tissues. The uvea is the part of the eye most commonly affected by this type of inflammation, though this group of diseases can also negatively affected the retina, optic nerve, lens, and vitreous. In addition to reducing the size of the pupils, these diseases can reduce vision significantly or, worse, lead to complete blindness. While inflammatory diseases affecting the eye may cause the inflammation or uveitis, they can also develop as a result of disease impacting other parts of the body.

Continue reading to learn more about what can cause eye miosis now.