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Aqueous humor is the clear fluid the ciliary body produces to nourish the front of the eye. Having too much fluid or reduced drainage raises intraocular pressure. Sustained pressure may stress the optic nerve and increase glaucoma risk. Evaluation focuses on production, outflow, and nerve health.
read more about aqueous humor overload ...Pressure reflects the balance of fluid made and fluid drained. Blockage in the trabecular meshwork or angle closure can limit outflow and raise pressure. Treatment targets the cause with drops, laser, or surgery to protect the optic nerve. Monitoring tracks pressure and visual function over time.
Many people notice no symptoms until pressure is very high or the optic nerve is affected. Some may report eye pain, halos, or headache in acute spikes. Vision changes can be subtle and develop slowly in open-angle disease. Screening helps detect risk before symptoms occur.
Tonometry estimates intraocular pressure at the slit lamp or with handheld devices. Corneal thickness and biomechanics can influence readings and are often measured. Gonioscopy assesses the drainage angle to classify the mechanism. Results guide management and follow-up intervals.
Medicated eye drops decrease fluid production or improve outflow. Laser trabeculoplasty or peripheral iridotomy can enhance drainage depending on the mechanism. Surgery creates new outflow pathways when other measures are not sufficient. Plans are individualized based on risk and response.
Persistent elevation can injure the optic nerve and narrow the visual field. Imaging and visual field testing document baseline status and change. Lowering pressure is the main goal to reduce the chance of progression. Regular testing checks whether the target level is adequate.
Elevated intraocular pressure can result from overproduction of aqueous humor or obstruction of the eye's drainage system. Primary open-angle glaucoma and angle-closure glaucoma are common conditions associated with increased pressure.
Eye care professionals use a test called tonometry to measure intraocular pressure. Regular eye examinations are recommended, particularly for individuals at risk of glaucoma, to detect pressure changes early.
Treatment may include prescription eye drops to reduce fluid production or improve drainage, laser therapy or surgical procedures to open blocked drainage pathways. The goal is to lower pressure and protect the optic nerve.