I always had perfect vision. Sudden vision loss in one eye. Pressure on eye. Glaucoma or optic neuritis?

Many causes. Get to your specialist eye md right away. Acute glaucoma is painful with steamy vision before the blindness, so unlikely in your case. Optic neuritis, retinal vein occlusion, retinal detachment, stroke, migraine headache, vitreous hemorrhage, retinal hemorrhage and other causes can all be serious.
Could be many things. Sudden vison loss is worrisome and can be due to many things including glaucoma or optic neuritis as you mentioned, as well as other serious conditions. See your ophthalmologist asap!

Related Questions

Field test indicates some peripheral vision loss and eye pressure is 28. Is glaucoma in the early stage or moderate stage? Trying slt to lower pressu

Cannot say. The best person to ask is your ophthalmologist as he or she can not only assess your visual field and pressure, but also your optic nerve and retinal nerve fiber layer. As long as treatment (slt or drops) brings your pressure down to the target level, you should be able to stabilize where you're at now. The good news is glaucoma tends to progress very slowly for most patients. Read more...
Difficult to know. More data is really needed. The easiest take away to the question about progression is: the less healthy nerve you have left the more profound an affect further damage has on your vision. Ask your M.D. What your target pressure is and if he/she feels slt will get you there. If you can achieve target iop with drops/laser surgery you should be fine. Read more...
Moderate or advanced. Any loss of visual field due to glaucoma would be classify the disease as moderate or advanced. Early or mild disease would have no loss of visual field. Read more...

Is it common for there to not have been an improvement in optic neuritis induced peripheral vision loss after 8 weeks? Will recovery be spontaneous?

Recovery takes time. The visual recovery after optic neuritis can take weeks to months. Studies have found that at a year 90% of people had 20/40 vision or better. The recovery of peripheral vision is similar. The use of high dose IV steroids at the time of the optic neuritis might speed visual recovery, but the final vision is the same. It is important to be followed by a neurologist and an ophthalmologist for this. Read more...
Optic neuritis . It depends on the cause of the optic neuritis. When associated with multiple sclerosis it tends to get better. However with other causes (sarcoidosis, NMO) less likely to improve. It can also take longer to improve if not treated with steroids. Read more...

Sometimes I have eye pain in, around and/or behind eye. Comes & goes and effects both eyes. My vision doesn't change. Worried about Optic Neuritis.

See an Eye Dr ASAP. Instead of worry, have an exam. It is the nly way to deal with this. If there's something wrong - they'll start the treatment process. If it's minor, you will relax and find quick relief. Best wishes. Read more...
Unlikely. What you described does not fit with optic neuritis. Next time you see your doctor, mention this and may be request an evaluation by an ophthalmologist. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Read more...
Just curious... Why you are concerned specifically about optic neuritis? A female in her mid twenties might worry about this, for example, if there is a family history of MS or another CNS disorder. Maybe if you have a personal history of diabetes you are concerned about visual complications? In any event, ON is typically painless, and usually there are problems with vision. Pain should be evaluated by your PCP. Read more...

I've been having eye pain in my right eye & sometimes a headache right above my hurting eye. I don't have blurry vision. Could it be optic neuritis?

Migraine headaches. The headache that you describe can be from a variety of causes. Headaches in and over the eye are a variant of cluster migraine. It is important to see a headache specialists to determine the cause. Optic neuritis is not likely given the symptoms that you describe. Read more...

I'm a 32 yr old female with ms. I again have eye pain and eye movement is also painful. How do I know this is not an onset of optic neuritis.?

MAYBE. As you already know, eye pain with movement can be associated with optic neuritis, but also you can experience loss of vision and color desaturation. If you are noting difficulty with blurring or focus, and bright reds are pink, this may be the initial manifestations, and this needs to be treated asap. Even if other cause for your symptoms, contact your neurologist and have this checked. Read more...
Could be. If you have had a change in vision in either eye it could indeed be optic neuritis. See an eye doctor immediately if you experience a decrease in vision in either eye. Read more...