(a) A person who is legally blind is not disqualified to serve as a juror in a civil case solely because of his legal blindness except as provided by this section.
(b) A legally blind person is disqualified to serve as a juror in a civil case if, in the opinion of the court, his blindness renders him unfit to serve as a juror in that particular case.
(c) In this section, "legally blind" means having:
(1) no more than 20/200 of visual acuity in the better eye with correcting lenses; or
(2) visual acuity greater than 20/200, but with a limitation in the field of vision such that the widest diameter of the visual field subtends an angle no greater than 20 degrees.