Transparence of Intraocular Lens and its Influence on Distinguishing Ability ofthe Eye
Authors:
D. Hejcmanová; L. Bytton; H. Langrová; M. Hejcmanová *
Authors‘ workplace:
Oční klinika FN, Hradec Králové, přednosta prof. MUDr. P. Rozsíval, CSc. *Oční klinika FN MU, Brno - Bohunice, přednosta prof. MUDr. E. Vlková, CSc.
Published in:
Čes. a slov. Oftal., , 2004, No. 3, p. 171-179
Category:
Overview
Purpose:
To compare logMAR best corrected visual acuity (BCVA) and contrastsensitivity (CS) in four types of early cataract and to evaluate influence of cataractsurgery on visual functions.Patients and methods: 53 eyes (14 men, 39 women) with early cataract (BCVA 20/30and 20/20 using Snellen charts) were examined before and within 3 and 12 monthsafter cataract surgery. BCVA was tested using logMAR charts with Landolt rings.CSwasexaminedoncomputerized systemof 8010 type(Neuroscientific corp.,USA)in 6 spatial frequencies between 0.74 d/deg and 29.55 c(deg. Influence of glare of342.6 cd/m2 was tested using Brightness Acuity tester. The cataract was devidedinto 4 types: a) cortical (n=19); b) posterior subcapsular (n=9); c) nuclear (n=9) andd) corticonuclear (n=16). Twenty subjects were examined in the control group.Results: BCVA using logMAR charts was 0.52 (0.22-1.05) preoperatively, and 0.83(0.37-1.26) at 12 months postoperatively in the whole group of 53 patients. BCVAin patients before and after cataract surgery was significantly lower compared tothe control group (p
Key words:
early cataract, logMAR charts, contrast sensitivity, glare
Labels
OphthalmologyArticle was published in
Czech and Slovak Ophthalmology
2004 Issue 3
Most read in this issue
- Duo-Bonharen in a Comparative Study
- Conjunctivocystorhinostomy - Seven Years of Experience - Part I (Description ofthe Surgery, Groups of Patients)
- Transparence of Intraocular Lens and its Influence on Distinguishing Ability ofthe Eye
- Conjunctivo-cystorhinostomy - Seven Years of Experience - Part II (Commentary)