case_images: PMC8784477_01
case_images: Biomicroscopic view at presentation. (a) Paralimbal corneal and conjunctival keratinization; (b) Bitot's spot at the temporal conjunctiva.
case_images: BEJ-5-149-g001.jpg
case_images: PMC8784477_01_BEJ-5-149-g001.jpg
case_images: F1
case_images: A deficiency (Fig. 1). An analysis of the patient's serum vitamin A level was ordered, and the result was 0.04 microg/dL (normal range: 30-80 microg/dL).
case_images: The 1-month follow-up examination results. Note the decrease in the size of the Bitot's spot findings. (a) Right eye; (b) Left eye.
case_images: BEJ-5-149-g002.jpg
case_images: PMC8784477_01_BEJ-5-149-g002.jpg
case_images: F2
case_images: An ophthalmological examination indicated improved visual acuity to 20/32, and the corneal and conjunctival keratinization had substantially decreased in both eyes (Fig. 2).
case_images: The 3-month follow-up examination results. There were no signs of corneal or conjunctival keratinization. (a) Right eye; (b) Left eye.
case_images: BEJ-5-149-g003.jpg
case_images: PMC8784477_01_BEJ-5-149-g003.jpg
case_images: F3
case_images: An electroretinogram (ERG) was ordered in order to evaluate photoreceptor function at the 1-month visit and revealed normal results. At her 3-month visit, the patient continued to report no ocular symptoms, and a biomicroscopic examination showed no signs of Bitot's spot or corneal keratinization (Fig. 3).