Why does squinting cause rainbow vision, and what are the symptoms of rainbow vision

This question seems to be in physics.

This is the diffraction of light.

Generally speaking, iris is the light that looks like a rainbow when looking at lights, and it will be accompanied by eye pain and headache on the same side, and foggy vision, which is generally the main sign of glaucoma. Whether you look at things in the distance are foggy or no matter what distance you look at, it is like a layer of fog, if you are going to the hospital at any time, it is easier to find out when you have symptoms.

Hello, you described the eye iris and hard eyeballs, there is no eye swelling and pain, accompanied by migraine, nausea and vomiting, vision loss Glaucoma is an increase in intraocular pressure caused by poor circulation of aqueous humor in the eye, if you feel uncomfortable in the eye, you can go to the hospital eye.

When a person is looking at the light, if there is a colored halo around the light, it is called 'rainbow vision' in medicine. Iridis is a common symptom of eye diseases, and it is often a symptom of the following eye diseases: 1. Conjunctivitis Because the mucous discharge is coated on the surface of the cornea, iridis can appear at this time, and after wiping off the secretion, iridis can disappear If there is blood, pus, small bubbles, etc. in the external conjunctival sac, rainbow vision can also occur 2. Keratitis can also lead to iridis due to corneal epithelial damage and corneal edema 3. Pigmentitis Due to the accumulation of corneal endothelial cells, the corneal hydration is destroyed, causing corneal epithelial edema. 4. Cataract caused by the radial arrangement of crystal fibers absorbing water, swelling, and producing spectroscopy 5. Glaucoma due to the increase in intraocular pressure, causing corneal epithelial edema, fluid retention between cells, and changing the normal refractive state of the cornea.

Therefore, the phenomenon of rainbow vision is often a precursor to a variety of eye diseases, and once it occurs, it should be checked by medical attention in time to find out the cause of the disease and then take care of it.

Gender: Male Age: 27 Medical History:

Description of the condition: Rainbow vision in the eyes, insomnia and dreams. Headache.

Look at the candle flame, the lamp has a colored halo. There is a filament, there is a cloud of light and shadow. I also saw a little bit of light (there are many colors).

There is a flash. Swollen eyes. Pain in the eyelids and eyeballs.

When you close your eyes, you see the color of redness, like the color of red inside your eyelids. You can also see a small bubble in your eye. And there are small bubbles in the arc.

I also saw things in front of me shaking like smoke. When I sleep at night, I see a sparkle in my eyelids. Sometimes the picture in front of the computer is blurry, but it is clear when the eyes blink.

Watching color TV pictures have various colors of filaments. Intraocular pressure. Visual field is normal.

Look at the white weaving lamp with colored light and shadow. Look at the sun with green. It turned out that the eyes were normal, but later it was dark and dark, and then colored light and shadow appeared.

If a normal eye looks at the light for 3 hours, will the eye be abnormal?

The description of the condition is indeed similar to glaucoma, but since the intraocular pressure and visual field are normal, it is not glaucoma, and glaucoma can also be ruled out by age and gender. Generally, iridescence and iridescent circles appear in the light, which is a manifestation of increased intraocular pressure (glaucoma) and corneal edema, so please go to the ophthalmologist to test the intraocular pressure and look at the fundus.

The phenomenon of iridis appears, combined with conscious symptoms and intraocular pressure, fundus. Think more about glaucoma. There are also people - iris, parenchyma, optic neuritis, macular degeneration, hiatus, etc., will also have rainbow vision, which should be combined with clinical symptoms, visual acuity, fundus changes, visual field, to make a differential diagnosis.

Iridis is a conscious symptom of seeing iridescent halos around lights.

Generally characteristic of glaucoma.

Iridis mainly occurs when corneal edema is caused by increased intraocular pressure, when there is secretion attached to the corneal surface of conjunctivitis, when the anterior surface of the cornea is covered with tears, when there is water vapor on the surface of the lens of spectacle wearers, in patients with early cataracts, and when multifocal intraocular lenses are implanted after individual cataract surgery. In fact, corneal edema caused by any cause (including various types of glaucoma, interstitial keratitis, etc.) can cause the so-called iridescence phenomenon.

Halovision: Looking at the light is not a rainbow circle, or the circle with the same color as the lamp is halo, the halo around the light, there are many reasons for this, visual fatigue, poor rest, lack of sleep, excessive staring at the computer, too long near vision, conjunctivitis, superficial keratitis, secretions.