Zaigen Ohara

ORCID: 0000-0002-1343-2203
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About
Contact & Profiles
Research Areas
  • Retinal Diseases and Treatments
  • Retinal Imaging and Analysis
  • Glaucoma and retinal disorders
  • Corneal surgery and disorders
  • Ophthalmology and Visual Impairment Studies
  • Intraocular Surgery and Lenses
  • Artificial Intelligence in Healthcare
  • Ocular Surface and Contact Lens
  • Ophthalmology and Eye Disorders
  • Neurosurgical Procedures and Complications
  • Retinal and Optic Conditions

Yazaki (United States)
2013

Purpose To compare the visual performance of multifocal intraocular lenses (IOLs) and monofocal IOLs made same material. Methods The subjects included patients implanted with either Tecnis® (ZA9003 or ZCB00) (ZMA00 ZMB00) bilaterally. We conducted a retrospective study comparing two types IOLs. group 46 who were was an age- sex-matched control group, 85 Lens opacity grading, radius corneal curvature, astigmatism, axial length refractive status measured preoperatively. Pupil size, ocular...

10.1371/journal.pone.0068236 article EN cc-by PLoS ONE 2013-06-28

Purpose To evaluate changes in choroidal thickness before and after cataract surgery factors affecting the changes. Setting Tsukazaki Hospital, Himeji, Japan. Design Prospective interventional study. Methods Patients having without other eye pathology were studied. The corrected distance visual acuity (CDVA), intraocular pressure (IOP), axial length (AL), enhanced-depth-imaging optical coherence tomography (OCT) measured preoperatively. was at 5 points (subfoveal 1.5 mm nasal, temporal,...

10.1016/j.jcrs.2013.07.036 article EN Journal of Cataract & Refractive Surgery 2013-12-20

The present study aimed to compare the accuracy of diabetic retinopathy (DR) staging with a deep convolutional neural network (DCNN) using two different types fundus cameras and composite images. included 491 ultra-wide-field ophthalmoscopy optical coherence tomography angiography (OCTA) images that passed an image-quality review were graded as no apparent DR (NDR; 169 images), mild nonproliferative (NPDR; 76 moderate NPDR (54 severe (90 proliferative (PDR; 102 images) by three retinal...

10.1155/2021/6651175 article EN cc-by Journal of Ophthalmology 2021-04-03

Background and Objectives: The present study evaluated the detection of diabetic retinopathy (DR) using an automated fundus camera focusing exclusively on retinal hemorrhage (RH) a deep convolutional neural network, which is machine-learning technology. Materials Methods: This investigation was conducted via prospective observational study. included 89 ophthalmoscopy images. Seventy images passed image quality review were graded as showing no apparent DR (n = 51), mild nonproliferative...

10.3390/medicina58111681 article EN cc-by Medicina 2022-11-20

We compared the visual performance of toric intraocular lenses (IOLs) and non-toric IOLs made same material.The subjects included patients implanted with either Acrysof IQ® (SN6AT3-9) or (SN60WF) bilaterally. The group 103 who were IQ was a corneal astigmatism-matched control bilaterally.The uncorrected distance acuity significantly better in group, whereas 50 cm group. There no significant difference contrast sensitivity (with without glare) between both groups. rate spectacle dependency...

10.2147/opth.s183899 article EN cc-by-nc Clinical ophthalmology 2018-11-01
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