The serosanguinous fluid can appear pinkish in color due to the small amount of blood cells that mix with the serous drainage. The consistency of this exudate is watery and thin and typically appears during the healing of wounds.
Bifocals are often prescribed for presbyopia. Bifocals are eyeglasses that have two different prescriptions in one spectacle lens. The top part of the lens corrects for distance vision and the lower portion of the lens is designed to help a person see objects up close.
by Simon Berry, Optometrist. Your child has been prescribed glasses with bifocal lenses to help them to read. They have been found to have a problem with the way in which their eyes focus on close objects. The bifocal lens enables them to bring near tasks into sharp focus. The medical term for describing this problem is an accommodative lag.