Results 1 to 10 of about 1,795,351 (257)

Comparison of Spaeth/Richman Contrast Sensitivity and Pelli-Robson Tests for Assessing Contrast Sensitivity in Patients with Glaucoma [PDF]

Journal of Ophthalmic & Vision Research
Purpose: To determine the optimal cut-offs for Pelli-Robson (PR) and Spaeth/Richman contrast sensitivity (SPARCS) test scores for diagnosing glaucoma and to compare PR and SPARCS scores (total and individual quadrants) for assessing contrast sensitivity
Fatema Noble, Suhas Haldipurkar, Vijay Shetty, Tanvi Haldipurkar, Rita Dhamankar, Devendra Venkatramani, Shreyas Dhamorikar, Sarita Deshpande, Maninder Singh Setia   +8 more
doaj   +2 more sources

Assessment of central and peripheral contrast sensitivity in myopes using Spaeth/Richman contrast sensitivity [PDF]

Oman Journal of Ophthalmology
BACKGROUND: Assessing central and peripheral contrast sensitivity (CS) in myopic patients with varying degrees of refractive error using Spaeth/Richman contrast sensitivity test (SPARCS) and compared it with emmetropic individuals. MATERIALS AND METHODS:
Parul Ichhpujani, Uday Pratap Singh Parmar, Rohan Bir Singh, Suresh Kumar   +3 more
doaj   +2 more sources

Impact of contrast sensitivity on driving behaviors in individuals with moderate-to-severe glaucoma [PDF]

Indian Journal of Ophthalmology
Purpose: This study aimed to investigate the relationship between contrast sensitivity (CS) and driving performance in individuals with moderate to severe glaucoma, using the Pelli–Robson (PR) chart and Spaeth/Richman Contrast Sensitivity (SPARCS) test ...
Navdeep Kaur, Parul Ichhpujani, Suresh Kumar, Varnika A Singh   +3 more
doaj   +2 more sources

Effects of COVID-19 on the contrast sensitivity [PDF]

Brazilian Journal of Medical and Biological Research
There are significant gaps in understanding the extent of the damage caused by COVID-19, with few publications examining its link to contrast sensitivity function (CSF).
G.M. Silva, J.J.S Souto, T. Fernandes, G.S. Souza, M.J.O. de Andrade, N.A. dos Santos   +5 more
doaj   +2 more sources

Postoperative Contrast Sensitivity and Its Association with Lenticule Surface Regularity After KLEx with the VisuMax 800 [PDF]

Clinical Ophthalmology
Jiayi Hu,1– 5,* Yongle Bao,1– 6,* Zhanying Wang,1– 5 Yiyang Wang,1– 5 Junjie Yu,1– 5 Haipeng Xu,1– 5 Yishan Qian,1– 5 Xiaoying Wang,1– 5 Xingtao Zhou,1– 5 Jing Zhao1– 51Eye Institute and Department of Ophthalmology, Eye & ENT Hospital,
Hu J, Bao Y, Wang Z, Wang Y, Yu J, Xu H, Qian Y, Wang X, Zhou X, Zhao J   +9 more
doaj   +2 more sources

Assessing the contrast sensitivity function in myopic parafovea: A quick contrast sensitivity functions study

Frontiers in Neuroscience, 2022
PurposeCompare peripheral contrast sensitivity functions (CSF) between myopes and emmetropes to reveal potential myogenic risks during emmetropization.Materials and methodsThis observational, cross-sectional, non-consecutive case study included data from
Zixuan Xu, Yijing Zhuang, Zhipeng Chen, Fang Hou, Lily Y. L. Chan, Lei Feng, Qingqing Ye, Yunsi He, Yusong Zhou, Yu Jia, Junpeng Yuan, Zhong-Lin Lu, Zhong-Lin Lu, Zhong-Lin Lu, Jinrong Li   +14 more
doaj   +1 more source

Effect of laser peripheral iridotomy on contrast sensitivity using Spaeth/Richman Contrast Sensitivity test

Therapeutic Advances in Ophthalmology, 2022
Background: Laser peripheral iridotomy (LPI) is the current standard of care for primary angle-closure glaucoma. The existing literature lacks evidence regarding the effects of LPI on contrast sensitivity (CS) after the procedure.
Parul Ichhpujani, Sahil Thakur, Tanu Singh, Rohan Bir Singh, Suresh Kumar   +4 more
doaj   +1 more source

Normative database for Spaeth Richman contrast sensitivity test for Indian eyes

Indian Journal of Ophthalmology, 2022
Purpose: To ascertain normative database of contrast sensitivity (CS) using Spaeth/Richman CS test (SPARCS) in the Indian population. Methods: This cross-sectional study enrolled 200 healthy individuals, and CS was tested in both eyes of each participant
Sonia Bariya, Parul Ichhpujani, Obaidur Rehman, Suresh Kumar   +3 more
doaj   +1 more source

Short-Term Peripheral Contrast Reduction Affects Central Chromatic and Achromatic Contrast Sensitivity

Photonics, 2022
Peripheral retinal contrast reduction is suggested as a potential myopia control strategy. However, the underlying mechanism is yet unknown. Therefore, this study investigated the influence of peripheral contrast reduction on central chromatic and ...
Antonia Neumann, Alexander Leube, Najma Nabawi, Yannick Sauer, Peter Essig, Katharina Breher, Siegfried Wahl   +6 more
doaj   +1 more source

Effects of Different Contact Lens Designs on Visual Quality Among the Soft Spherical Contact Lens Users

Türk Oftalmoloji Dergisi, 2013
Purpose: To evaluate the effects of different lens designs on visual quality among soft spherical contact lens users. Material and Method: Forty eyes of twenty patients from our contact lens unit were included in this study.
Mustafa Demir, Sevda Aydın Kurna, Tomris Şengö   +2 more
doaj   +1 more source