- The effect of spectral filters on visual search in stroke patientsIan G Beasley
Ophthalmic Research Group, Life and Health Sciences, Aston University, Birmingham B4 7ET, UK
Perception 42:401-12. 2013..In fact, response times increased with the filter, regardless of its type, for stroke and control subjects; this outcome may be due to contrast reduction or a reflection of task design, given that significant practice effects were noted...
- Visual stress symptoms secondary to stroke alleviated with spectral filters and precision tinted ophthalmic lenses: a case reportIan G Beasley
Ophthalmic Research Group, Life and Health Sciences, Aston University, Birmingham, United Kingdom
Clin Exp Optom 96:117-20. 2013..The case also highlights that the spectral properties of the tint may need to be modified if the disease course alters...