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Pigment dispersion syndrome (PDS) is an eye disorder that can lead to a form of glaucoma known as pigmentary glaucoma. It takes place when pigment cells slough off from the back of the iris and float around in the aqueous humor .
Nd:YAG laser peripheral iridotomy (LPI) may be used in patients susceptible to or affected by angle closure glaucoma or pigment dispersion syndrome. During laser iridotomy, laser energy is used to make a small, full-thickness opening in the iris to equalize the pressure between the front and back of the iris, thus correcting any abnormal ...
Overproduction of pigment by these cells can block the trabecular meshwork through which fluid drains from the eye. The increased fluid in the eye leads to increased pressure, which can lead to glaucoma. In humans, this is sometimes known as pigment dispersion syndrome. [2]
During gonioscopy (where the structures of the eye's anterior segment are examined), if an abundance of brown pigment is seen at or anterior to Schwalbe's line, a Sampaolesi line is said to be present. [1] [2] [3] The presence of a Sampaolesi line can signify pigment dispersion syndrome or pseudoexfoliation syndrome. [4] [5]
Pigment dispersion syndrome – a condition characterized by loss of pigmentation from the posterior iris surface which is disseminated intraocularly and deposited on various intraocular structures, including the anterior surface of the iris. [medical citation needed]
Those with moderate amounts of myopia are more likely to have pigment dispersion syndrome or pigmentary glaucoma. [84] High myopia usually describes myopia of −6.00 or more. [65] [85] People with high myopia are more likely to have retinal detachments [86] and primary open angle glaucoma. [87]
When Daniel Robinson, a 24-year-old Black man, went missing in Arizona in June 2021, his father, David Robinson, spent months pleading for police to be more aggressive in their search. Frustrated ...
Phacomorphic glaucoma; Phantom eye syndrome; Phlyctenular keratoconjunctivitis; Photic retinopathy; Photopsia; Physiological anisocoria; Pigment dispersion syndrome; Pneumosinus dilatans; Post-LASIK ectasia; Posterior ischemic optic neuropathy; Posterior vitreous detachment; Presumed ocular histoplasmosis syndrome; Progressive bifocal ...