Human eye The upper end of the range is given in terms of normal visual performance as 10 cd/m (100,000,000 or one hundred million candelas per square meter). The eye includes a lens similar to lenses found in optical instruments such as cameras and the same physics principles can be applied. The pupil of the human eye is its aperture; the iris is the diaphragm that serves as the aperture stop. Refraction in the cornea causes the effective aperture (the entrance pupil) to differ slightly from the physical pupil diameter. The entrance pupil is typically about 4 mm in diameter, although it
Love Has a Name of 10,000 equivalent album units of "Love Has a Name", thus topping the Billboard Christian Albums chart in the same week. "Love Has a Name" is Jesus Culture's second album to attain the top position on the chart after their 2014 live LP, "Unstoppable Love'. CCM Magazine's Matt Conner rated the album four stars out of five, saying that it is filled with "stirring anthems and ballads," and describes the live arrangement as "exciting and inspiring." Bestowing the album a four-point-four star rating in a review at The Christian Beat, Emily Caroline states that "In "Love Has a Name", the