July 2018
Volume 59, Issue 9
Free
ARVO Annual Meeting Abstract  |   July 2018
Side Effects After Laser Peripheral Iridotomy Comparing Lateral Vs Superior Locations in Puerto Rican Population
Author Affiliations & Notes
  • Rosa A Lozada Sierra
    Ophthalmology, Univeridad de Puerto Rico, Recinto de Ciencias Medicas, Caguas, Puerto Rico, United States
  • Footnotes
    Commercial Relationships   Rosa Lozada Sierra, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2018, Vol.59, 6084. doi:
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    • Get Citation

      Rosa A Lozada Sierra; Side Effects After Laser Peripheral Iridotomy Comparing Lateral Vs Superior Locations in Puerto Rican Population. Invest. Ophthalmol. Vis. Sci. 2018;59(9):6084.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : The purpose of our study is to evaluate the side effects following LPI and to determine if the location of the temporal LPI versus superior LPI is associated with differences in sife effects, such as halos, lines, diplopia and shadows specially in Puerto Ricans.

Methods : A retrospective chart review was performed. Data from 2012-2016 was collected from a private clinic in San Juan, Puerto Rico. A total of thirty-seven Hispanics of Puerto Rican heritage of ages from 42-84, with occludable angles were included in the study. Patients were excluded if they had any incisional ocular surgery, active intraocular inflammation, history of acute angle closure glaucoma attack and visual field defects prior to the LPI. Laser peripheral iridotomy was performed randomly on temporal location or superior location in one eye. The other eye by default was assigned the opposite location. Superior LPI was placed between 11 o’clock and 1 o’clock. Temporal LPI was placed at 3 o’clock for left eye or 9 o’ clock in the right eye. Subsequently, each patient was contacted by phone and asked about the presence of side effects such as halos, lines, diplopia and shadows.

Results : A total of 57 Puerto Rican patients underwent the LPI. 74 eyes were included in the data analysis, 37 (50%) with LPI in the superior location and 37 (50%) with the LPI in the temporal. After the data was collected, we found dysphotopsias in 6 (9%) patients: 1(2%) patient with the LPI in the temporal location, 1 (2%) patient with the LPI in the superior location, 3 (6%) patients in both eyes and 1 (2%) patient who cannot distinguish in which eye he has the dysphotopsia. A single patient with the superior LPI, reported a shadow in the inferior visual field. All other dysphotopsias were described as a small occasional flashes of light.

Conclusions : According to our data, diplopia is rare after laser peripheral iridotomy. No significant difference was found when comparing temporal LPI versus superior LPI location in Ruerto Rican population. There are many factors that can be associated to the appearance of diplopia after laser peripheral iridotomy such as: previous diplopia, corneal thickness, iris color, iris thickness, size of iridotomy, tear quality, patient’s age, patient’s gender and patient’s character. It would be interesting to do a prospective double blind study taking into consideration many of these factors.

This is an abstract that was submitted for the 2018 ARVO Annual Meeting, held in Honolulu, Hawaii, April 29 - May 3, 2018.

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