Asme Section V Article: 9 |work|

Performed when the eye can be placed within 24 inches (600 mm) of the surface at an angle no less than 30 degrees.

Inspectors must take an annual vision exam to prove they can read a standard J-1 letters on a Jaeger test chart (or equivalent) at a distance of not less than 12 inches (300 mm). asme section v article 9

Periodic inspections of components already in operation. Performed when the eye can be placed within

Visual examination detects surface discontinuities including: asme section v article 9

mandates that personnel must have an annual vision test to assure natural or corrected near-distance acuity such that they are capable of reading standard J-1 letters on standard Jaeger test type charts for near vision. Equivalent near vision tests are acceptable.

: Shining light through materials like fiberglass-reinforced plastics to find internal flaws.