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What Is an Intraocular Pressure Spike (Post-op)?

An intraocular pressure spike is a sudden rise in eye pressure that occurs shortly after eye surgery. This increase may cause discomfort, blurred vision, or halos around lights. Pressure spikes are most common after cataract surgery, glaucoma procedures, or injections. Many spikes are temporary but still require monitoring. Early care protects the optic nerve.

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What Is an Intraocular Pressure Spike (Post-op)?

An intraocular pressure spike is a sudden rise in eye pressure that occurs shortly after eye surgery. This increase may cause discomfort, blurred vision, or halos around lights. Pressure spikes are most common after cataract surgery, glaucoma procedures, or injections. Many spikes are temporary but still require monitoring. Early care protects the optic nerve.

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What Causes Post-op Pressure Spikes?

Residual viscoelastic material used during surgery can block fluid outflow. Inflammation and swelling may also restrict drainage. Blood or debris can temporarily obstruct the drainage angle. Some eyes respond more strongly to surgical manipulation. Identifying the cause helps guide treatment.

Symptoms Linked to Pressure Spikes

People may feel aching, brow pain, or heaviness. Vision may blur due to corneal swelling. Halos around lights can appear during high pressure. Some cases cause nausea when pressure rises quickly. Symptoms vary depending on the level of pressure increase.

How Are Pressure Spikes Diagnosed?

Doctors measure pressure during early post-op visits. Slit lamp exams identify swelling, retained material, or debris. Gonioscopy checks the drainage angle. Review of surgical steps helps locate potential triggers. Diagnosis is confirmed when readings exceed safe limits.

How Are Pressure Spikes Treated?

Pressure-lowering drops are the most common treatment. Removal of trapped viscoelastic may be required in stronger cases. Anti-inflammatory medication reduces swelling. Severe spikes may need oral medication. Frequent monitoring ensures pressure returns to a safe level.

Frequently Asked Questions About Post-op Pressure Spikes

Are pressure spikes dangerous?

They can be if untreated, especially in vulnerable optic nerves.

How long do spikes last?

Most resolve within hours to days.

Do all patients experience this?

No, but it is a known post-op event.

When should I seek care?

Seek care for strong pain, halos, or sudden blur.