Diagnostic Penlight w/ Pupil Gauge, 6 Pack, Colored $5.95 These high intensity disposable diagnostic penlights come complete with a handy pupil gauge on the side for instant reference. Depress the clip to activate. Quantity ADD TO CART SKU: 1800037-C Add to wishlist You must be logged in to access the wishlist feature. Login or Register Add Diagnostic Penlight w/ Pupil Gauge, 6 Pack, Colored to your wishlist Priority Lowest Low Medium High Highest Comments × Add To Wishlist Wishlist Updated Diagnostic Penlight w/ Pupil Gauge, 6 Pack, Colored has been added successfully to your wishlist. ×