PMC7276163_01
(a and b) Slit-lamp photos showing central corneal thinning surrounded by a scar
MEAJO-27-59-g001.jpg
PMC7276163_01_MEAJO-27-59-g001.jpg
F1
Slit-lamp examination of the left eye indicated a quiet conjunctiva and central corneal scar with no corneal epithelial defect; there was corneal thinning without descemetocele, nuclear sclerosis, and a hazy view of the fundus [Figure 1].
Scanning electron microscope was used with an energy dispersive X-ray spectrometer to identify elements present in an alum sample
MEAJO-27-59-g002.jpg
PMC7276163_01_MEAJO-27-59-g002.jpg
F2
The alum substance was analyzed using scanning electron microscope (SEM) and revealed the elements shown in Figure 2.