Soft contact lenses from patients with giant papillary conjunctivitis

American Journal of Ophthalmology
S A FowlerM R Allansmith

Abstract

We used scanning electron microscopy to study the surfaces of five coated soft contact lenses from subjects with giant papillary conjunctivitis. Findings were compared to the surfaces of five coated lenses from normal, asymptomatic wearers and five new, nerver-worn lenses. Lenses were from various manufacturers. All worn contact lenses differed strikingly from new, never-worn lenses. The anterior surface of worn lenses was covered with apparently adherent deposits. In only a few areas was the surface similar to new, never-worn lenses. Thick coatings on lenses from patients with giant papillary conjunctivitis and asymptomatic wearers were similar. High magnification of the coatings revealed a trabeculated morphology. Also seen was debris that resembled mucus-like material in both strand and particulate forms. On some lenses bacterial-shaped structures were scattered randomly over the surface. Smooth structures resembling cells were also seen. The posterior lens surface of all worn lenses was smoother than the anterior lens surface. The findings support our idea that the capacity to develop giant papillary conjunctivitis is influenced by individual differences more than by differences in lens deposits.

References

Apr 1, 1979·Archives of Ophthalmology·S A FowlerM R Allansmith
Feb 1, 1978·American Journal of Ophthalmology·J V GreinerM R Allansmith
May 1, 1977·American Journal of Ophthalmology·M R AllansmithV M Finnemore
Jun 1, 1977·American Journal of Ophthalmology·J V GreinerM R Allansmith
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Jun 1, 1993·Ophthalmology·J W KareshS B Hameroff
May 4, 2006·The Ocular Surface·Fiona StapletonDeborah F Sweeney
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Jan 1, 1986·Biomaterials·E J CastilloN Jentoft

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