Streetwear spectacles and unlensed eye protection do not meet the standard. In some cases eyewear manufacturers may assert their products are compliant with the standard or the products may carry the seal of an independent certifier such as the Protective Eyewear Certification Council. Consulting the United States Racquetball Association's current list of eyewear warranted by the manufacturers as meeting ASTM F803 or the comparable Canadian standard may prove helpful. Even a minor eye injury can cause retinal detachment and legal blindness. Bleeding within the eye may cause glaucoma years later.
Orbital fractures are possible.
A person who lost one eye and faces cataract surgery on the remaining eye has far more reason to be anxious than does a person with two good eyes. No, but this is a widely held misconception. The novice players in squash often watch the front wall and not the ball. The experienced player never takes his or her eye off the ball in order to anticipate the next shots. He also lost two years from a promising professional squash career.