بررسی و مقایسه مشخصات جبهه موج چشمی در بیماران دارای کراتوکونوس دو طرفه همراه با خطوط وگت یکطرفه [PDF]
هدف: هدف از مطالعه حاضر، بررسی و مقایسه مشخصات جبهه موج چشمی در بیماران دارای کراتوکونوس دو طرفه همراه با خطوط وگت یکطرفه می باشد. روش بررسی: در این مطالعه آینده نگر مقطعی، 50 بیمار 20 تا 38 ساله مبتلا به کراتوکونوس دوطرفه همراه با خطوط وگت یکطرفه، وارد ...
هادی استادی مقدم +5 more
doaj +2 more sources
Correlation analysis between ocular surface parameters and corneal higher-order aberrations in dry eye disease: a cross-sectional study [PDF]
Purpose To investigate the association between ocular surface parameters and corneal higher-order aberrations (cHOAs) in dry eye disease (DED) populations. Methods This cross-sectional study included 164 DED patients.
Yanmei Fang +10 more
doaj +2 more sources
AMOC Weakening Controls δ18O but Not Rainfall in North China During Deglacial Abrupt Events
East Asian Summer Monsoon (EASM) varied at orbital and millennial timescales during the Last Deglaciation (∼20–11 ka). The uniform δ18O response in East China is often linked to EASM circulation that drives a precipitation dipole in North and South China
Yitao Liu +4 more
doaj +2 more sources
Efficacy of image-guided accurate limbal relaxing incisions for astigmatism correction during cataract surgery [PDF]
Purpose: To investigate the efficacy of image-guided accurate limbal relaxing incisions (LRIs) for astigmatism correction during cataract surgery.
Xiaoxin Hu +7 more
doaj +2 more sources
Higher-order aberrations and visual outcomes of a new refractive extended depth-of-focus intraocular lens with a target of slight myopia [PDF]
In this single-center retrospective study, we compared visual performance and optical quality between a new refractive extended depth-of-focus intraocular lens (EDoF IOL, Model ZEN00V, n = 44), with a slightly myopic target, and an enhanced monofocal IOL
Hyunjo Lee +7 more
doaj +2 more sources
TAKE THE RISK OR LOSE THE CHANCE! CASE REPORT [PDF]
The hallmark of keratoconus is central or paracentral stromal thinning, accompanied by apical protrusion and irregular astigmatism. Patients typically experience variable reductions in visual acuity, image distortion, and increased sensitivity to glare
G. Tsvetkova, Y. Zdravkov, A. Oscar
doaj +1 more source
iTrace aberrometry - Identifying occult imperfections in the visual system
Visual acuity is the sum of qualitative and quantitative factors. A combination of both determines the final visual acuity. The quality of vision (QoV) can be easily assessed by documenting objectively the higher-order aberrations or by using subjective ...
Bharat Gurnani, Kirandeep Kaur
doaj +1 more source
Comparison of visual performance with iTrace analyzer following femtosecond laser-assisted cataract surgery with bilateral implantation of two different trifocal intraocular lenses [PDF]
AIM: To compare the postoperative binocular visual performance with an iTrace analyzer following femtosecond laser-assisted cataract surgery (FLACS) combined with bilateral implantation of two different types of diffractive trifocal intraocular lenses ...
Rui-Hong Ju +6 more
doaj +1 more source
Background Angle kappa plays a vital role in the implantation of multifocal intraocular lens (MIOL). Large angle kappa is related to a higher risk of postoperative photic phenomena.
Miaomiao Qin +13 more
doaj +1 more source
Purpose: To assess impact of tear optics on repeatability of a Scheimpflug device with a Hartmann Shack aberrometer and a ray tracing aberrometer. Methods: One hundred healthy and 100 postrefractive surgery eyes underwent dry eye evaluation including ...
GairikKundu +6 more
doaj +1 more source

