Case #1 Intraocular Lens

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History

Three months earlier, the patient had an uneventful intracapsular cataract extraction with placement of an anterior chamber lens. Initially, the visual acuity was good. Suddenly, following a fall, the patient experienced diplopia and some blurring of vision. After pupillary dilation, the intraocular lens was found to have moved upwards and the haptics were visible in the pupillary space.

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Question #1

What types of intraocular lenses are used in cataract surgery?

Question #2

What is the average power of an intraocular lens?

Question #3

Can an intraocular lens be implanted years after extracapsular cataract surgery?

Question #4

What materials are intraocular lenses manufactured from?

Question #5

What are the most common complications of intraocular lens implantation?

Question #6

What are the advantages and disadvantages to the patient of intraocular lens implantation?

References

Stark WJ, Whitney CE, Chandler J, Worthen DM: Trends in intraocular lens implantation in the United States. Arch Ophthalmol.. 1986; 104: 1769-1770.

Maguen E, Nesburn AB, Jackman N, Macy JI: Broken semiflexible intraocular lens implants. Am J Ophthalmol. 1895; 99:170-172.

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last updated: 10/10/2011