An age-related eye condition that can affect eye pressure, optic nerve health, and cataract surgery planning.

Slit-lamp view of a dilated eye showing a whitish ring of pseudoexfoliation material with a clear central disc on the front surface of the natural lens
Pseudoexfoliation material often forms a central disc and a peripheral ring on the lens surface, best seen after the pupil is dilated.

Pseudoexfoliation syndrome is an age-related condition in which abnormal, microscopic material accumulates on structures inside the eye. Although the condition often produces no noticeable symptoms, it is an important risk factor for elevated eye pressure and glaucoma. Early recognition allows ophthalmologists to monitor the optic nerve and address complications when they arise.[1, 2]

What Is Pseudoexfoliation Syndrome?

Pseudoexfoliation syndrome, also known as PXF or PEX, involves the accumulation of whitish, fibrillar material on the natural lens, pupil margin, and other structures near the front of the eye. These deposits may be visible during a slit-lamp examination, especially after pupil dilation.

PXF becomes more common with age, particularly after age 50. Its development is associated with both genetic and environmental influences. The characteristic deposits may be more apparent in one eye, although both eyes can be affected.[1, 2]

Pseudoexfoliation syndrome is not the same as glaucoma. Some individuals with PXF never develop glaucomatous optic nerve damage. Nevertheless, the risk of glaucoma is higher than in eyes without the condition.

How Can Pseudoexfoliation Cause Glaucoma?

The eye continuously produces a clear fluid called aqueous humor. This fluid normally leaves the eye through a drainage structure called the trabecular meshwork, helping maintain intraocular pressure (IOP).

In pseudoexfoliation, fibrillar deposits and pigment can accumulate within the drainage system. Increased resistance to fluid outflow may cause IOP to rise. Sustained or inadequately controlled pressure can damage the optic nerve, resulting in pseudoexfoliative glaucoma.[1]

Compared with primary open-angle glaucoma, pseudoexfoliative glaucoma is often associated with:

  • Higher IOP at diagnosis.
  • Greater fluctuations in IOP.
  • Faster progression in some affected eyes.
  • A greater likelihood of requiring multiple treatments or glaucoma surgery.

These are population-level patterns; the severity and course differ among individuals.[1]

Does Pseudoexfoliation Cause Symptoms?

Most cases of pseudoexfoliation syndrome are asymptomatic. Even when glaucoma develops, central visual acuity can remain relatively unaffected during earlier stages while areas of visual field sensitivity decline.

Consequently, the absence of pain or noticeable visual changes does not exclude elevated IOP or optic nerve damage. Unusually high IOP can sometimes produce discomfort, redness, or blurred vision, although this is not the typical presentation.[1, 2]

How Is Pseudoexfoliation Diagnosed and Monitored?

A comprehensive ophthalmic examination may reveal characteristic deposits along the pupil margin or anterior lens capsule. Assessment of glaucoma risk commonly includes:

  • Tonometry: Measurement of intraocular pressure.
  • Optic nerve examination: Evaluation for glaucomatous damage.
  • Optical coherence tomography (OCT): Imaging of retinal nerve fiber and optic nerve structures.
  • Visual field testing: Assessment of functional vision loss.
  • Gonioscopy: Examination of the drainage angle and trabecular pigmentation.

Regular follow-up is important even in eyes without established glaucoma. Annual examinations may be appropriate in some individuals with PXF, while elevated IOP, suspicious optic nerve findings, or established glaucoma may warrant more frequent monitoring.[1, 2]

Why Does Pseudoexfoliation Matter for Cataract Surgery?

Pseudoexfoliation can weaken the zonules, the fine fibers that support the natural lens. It can also reduce pupil dilation. Together, these changes can increase the technical complexity of cataract surgery and the risk of capsular or lens-related complications.

Depending on the operative findings, surgeons may use pupil-expansion devices or capsular support instruments to improve stability.

Importantly, increased surgical risk does not imply poor visual outcomes in every case. A large multicenter study published in 2026 found a higher rate of several complications in eyes with PXF, but generally favorable postoperative visual outcomes.[3, 4]

How Is Pseudoexfoliative Glaucoma Treated?

Pseudoexfoliation syndrome without elevated IOP or glaucomatous damage generally does not require pressure-lowering treatment, although ongoing observation remains important.

When pseudoexfoliative glaucoma develops, management focuses on reducing IOP to protect the optic nerve. Common approaches include:

SLT can provide meaningful IOP reduction in pseudoexfoliative glaucoma, although its duration of benefit varies and transient pressure elevations may occur. Treatment decisions depend on disease severity, pressure measurements, optic nerve findings, and evidence of progression.[1, 5]

Key Takeaway

Pseudoexfoliation syndrome is an important age-related risk factor for glaucoma and can introduce additional considerations during cataract surgery. Because it is often asymptomatic, regular ophthalmic examinations play a central role in detecting elevated IOP and optic nerve changes. Appropriate monitoring and treatment, when indicated, can help preserve visual function.

Inland Glaucoma Center provides comprehensive glaucoma evaluations, optic nerve imaging, visual field testing, and management of pseudoexfoliation-related glaucoma. Request an appointment or call 909-315-6891.

Medical information notice: This article is provided for general educational purposes only. It does not constitute individualized medical advice, diagnosis, or treatment recommendations. Clinical management depends on a patient's examination findings and medical history.

Works Cited

  1. Yüksel N, Yılmaz Tuğan B. “Pseudoexfoliation Glaucoma: Clinical Presentation and Therapeutic Options.” Turkish Journal of Ophthalmology. 2023;53(4):247–256. https://doi.org/10.4274/tjo.galenos.2023.76300
  2. American Academy of Ophthalmology. “Pseudoexfoliation Syndrome.” EyeWiki. Updated October 20, 2026. https://eyewiki.aao.org/Pseudoexfoliation_Syndrome
  3. Fontana L, Coassin M, Iovieno A, Moramarco A, Cimino L. “Cataract Surgery in Patients with Pseudoexfoliation Syndrome: Current Updates.” Clinical Ophthalmology. 2017;11:1377–1383. https://doi.org/10.2147/OPTH.S142870
  4. Shakarchi AF, Soliman MK, Shakarchi FF, et al. “Cataract Surgery Outcomes in Pseudoexfoliation Syndrome: A Large Multicenter Database Study.” Frontiers in Ophthalmology. 2026;6:1687620. https://doi.org/10.3389/fopht.2026.1687620
  5. Butt AB, Chander A, Bilgasem A, Mathew DJ. “Effectiveness of Selective Laser Trabeculoplasty in Lowering Intraocular Pressure in Pseudoexfoliative Glaucoma: A Systematic Review.” Canadian Journal of Ophthalmology. Published online October 3, 2026. https://doi.org/10.1016/j.jcjo.2026.09.010