To the Editor.
—Ophthalmologists have shown that gas-permeable lenses are useful to correct vision following penetrating keratoplasty.1 We have achieved greater acceptance among our patients by modifying the marker dots on the contact lenses. A dot of indelible ink has traditionally been used to designate a right contact lens. We have found that four peripheral equidistant dots for the right eye (Fig 1) and three dots for the left eye (Fig 2) have facilitated identification and localization of the lens in the storage case, on the eye, and in foreign environments. This simple technique may prove useful to other ophthalmologists and to fitters of contact lenses.
Eiferman RA, Springer J. Simplified Contact Lens Localizer. Arch Ophthalmol. 1986;104(4):488. doi:10.1001/archopht.1986.01050160040005
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