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Microspherophakia.

Rufina Tin-Yan Chan1, H Barry Collin

  • 1Department of Optometry and Radiography, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China.

Clinical & Experimental Optometry
|October 9, 2002
PubMed
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Microspherophakia, a condition with a small, spherical crystalline lens, can cause moderate myopia and shallow anterior chambers. Early detection is crucial as it may indicate a risk of glaucoma, especially if the lens is displaced.

Area of Science:

  • Ophthalmology
  • Genetics

Background:

  • Microspherophakia is a rare congenital condition characterized by a small, spherical crystalline lens.
  • It can lead to significant refractive errors and other ocular complications.

Observation:

  • A case study detailing a patient with idiopathic bilateral microspherophakia.
  • The patient presented with moderate myopia and reduced visual acuity.
  • Measurements revealed shallow anterior chambers and thickened, steep-lensed crystalline lenses compared to normal values.

Findings:

  • The patient's crystalline lenses were significantly thicker and more spherical than average.
  • Anterior chamber depth was markedly reduced in both eyes.
  • The radii of curvature for both anterior and posterior lens surfaces were steeper than normal.

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Implications:

  • Microspherophakia can be associated with various genetic syndromes.
  • There is a high risk of developing glaucoma, particularly if the lens becomes dislocated.
  • Ophthalmologists should consider microspherophakia in patients with unexplained myopia and shallow anterior chambers.