For which of the following conditions does a disability not qualify as permanent and total?

A disability is considered permanent and total when it significantly impairs an individual's ability to function in daily life activities and is expected to last indefinitely. Among the options provided, a temporary loss of consciousness does not meet these criteria, as it does not constitute a lasting condition. Temporary conditions, by definition, are not permanent and do not imply a total disability since individuals can often fully recover and resume normal activities.

In contrast, the other conditions listed—such as a single leg amputation, incurable psychological conditions, and blindness in both eyes—are typically recognized as permanent and total disabilities because they result in long-lasting effects on one's physical or mental capabilities. These conditions would likely result in permanent limitations in various daily activities, qualifying them for permanent and total disability status under many definitions used in disability assessments.