scholarly journals Improving the sensitivity of the OKP visual field screening test with the use of neutral density filters

Eye ◽  
1994 ◽  
Vol 8 (4) ◽  
pp. 406-409 ◽  
Author(s):  
S A Vernon ◽  
H A Quigley
Keyword(s):  
Visual Field ◽  
Screening Test ◽  
Neutral Density ◽  
Field Screening

scholarly journals Visual Defects Associated with Vigabatrin: A Study of Epileptic Argentine Patients

2005 ◽  
Vol 32 (4) ◽  
pp. 459-464 ◽  
Author(s):  
María Cecilia Moreno ◽  
Brenda Giagante ◽  
Patricia Saidon ◽  
Silvia Kochen ◽  
Jorge Benozzi ◽  
...  
Keyword(s):  
Visual Field ◽  
Antiepileptic Drug ◽  
Screening Test ◽  
Screening Strategy ◽  
Visual Field Defects ◽  
Automated Perimetry ◽  
Field Screening ◽  
Full Field ◽  
Visual Defects ◽  
Field Defects

ABSTRACT:Objective:The aim of the present study was to assess visual alterations in a population of Argentine patients treated with the antiepileptic drug vigabatrin.Methods:Twenty patients receiving vigabatrin and 15 patients receiving carbamazepine were examined with automated perimetry using a Humphrey 120-point full screening strategy. In addition, scotopic flash electroretinograms were performed.Results:Of 20 patients treated with vigabatrin, two were unable to cooperate with testing. Of the remaining 18 patients, all but two showed at least one non-detected point inside the central 40° of the visual field of each eye. Of the 15 carbamazepine-treated patients, three were unable to perform the study. None of the remaining 12 patients showed visual field defects. Both a- and b-wave amplitudes of the scotopic electroretinogram were significantly reduced in 12 patients receiving vigabatrin.Conclusions:Visual field defects among patients on vigabatrin therapy may occur with a higher frequency than previously recognized. The Humphrey 120-points full field screening test and electroretinography are useful tools to assess the visual dysfunction associated with vigabatrin.

scholarly journals A comparison of the OKP visual field screening test with the Humphrey field analyser

Eye ◽  
1992 ◽  
Vol 6 (5) ◽  
pp. 521-524 ◽  
Author(s):  
Stephen A Vernon ◽  
Harry A Quigley
Keyword(s):  
Visual Field ◽  
Screening Test ◽  
Field Screening ◽  
Field Analyser

Fastpac visual field screening

1995 ◽  
Vol 2 (3) ◽  
pp. 117-121 ◽  
Author(s):  
Ivan M. Young ◽  
Julian L. Rait ◽  
Cathy A. Carson ◽  
Hugh R. Taylor
Keyword(s):  
Visual Field ◽  
Field Screening

Validation of a Head Mounted Virtual Reality Visual Field Screening Device

2019 ◽  
pp. 1
Author(s):  
Lukas Mees ◽  
Swati Upadhyaya ◽  
Pavan Kumar ◽  
Sandal Kotawala ◽  
Shankar Haran ◽  
...  
Keyword(s):  
Virtual Reality ◽  
Visual Field ◽  
Field Screening ◽  
Screening Device
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