Corneal marking methods reduce astigmatism


Accurate corneal marking before surgery leads to a reduction in astigmatism.

Accurate corneal marking before surgery leads to a reduction in astigmatism.

The randomized, examiner-masked clinical trial, led by Dr N. Popp, Vienna Institute for Research in Ocular Surgery, Vienna, Austria, enrolled 60 patients with astigmatism. Four corneal astigmatic marking methods were tested: marking at the slitlamp with an insulin needle, a pendular marker, a bubble marker and a tonometer marker. A standardized photographic technique was used to document the corneal marks and the rotational deviation and vertical misalignment were assessed.

The pendular-marking device demonstrated the least rotational deviation to the reference medium and there was no statistically significant difference between slitlamp marking and pendular marking.

However, there was a significant difference between the pendular marker and the tonometer marker. The slitlamp-marking device presented with the least vertical misalignment, but there was no statistically significant difference in vertical misalignment between the four corneal markers.

To read the abstract please visit the Journal of Cataract and Refractive Surgery.

Recent Videos
ASRS 2024: Michael Singer, MD, shares 100-week results from the RESTORE trial
Paulo Antonio Silva, Associate Professor of Ophthalmology at Harvard Medical School
Intraocular Pressure Outcomes Following Suprachoroidal Triamcinolone Acetonide in Patients With Glaucoma, Ocular Hypertension, or Steroid Response
Durga Borkar, MD, MMCi, discusses FAS inhibition with ONL-1204
Theodore Leng, MD, MS, speaks about 12-Month Real-World Clinical and Anatomical Outcomes With Faricimab in Patients With Diabetic Macular Edema:The FARETINA-DME Study
Rishi P. Singh, MD, discussed his presentation on the results from part 1 of the Phase 2/3 SIGLEC trial assessing AVD-104 for GA
Carl C. Awh, MD, FASRS, speaks with Hattie Hayes of Ophthalmology Times Europe
Carl J. Danzig, MD
Martin Zinkernagel, MD, PhD, speaks about the ASRS sustainability expert panel
Srinivas Sai Kondapalli, MD, discusses outer retinal tubulations in lesion growth for subfoveal and non-subfoveal GA
© 2024 MJH Life Sciences

All rights reserved.