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Photo Essay
Comprehensive Ophthalmology
1 (
1
); 37-38
doi:
10.25259/JORP_2_2023

The peeping tom behind the diaphragm of the eye!

Department of Pediatrics, Strabismus and Neuroophthalmology, L V Prasad Eye Institute, Vijayawada, Andhra Pradesh, India.

*Corresponding author: Sunanda Nandi, Department of Pediatrics, Strabismus and Neuroophthalmology, L V Prasad Eye Institute, Vijayawada, Andhra Pradesh, India. sunanda.amc@gmail.com

Licence
This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

How to cite this article: Nandi S. The peeping tom behind the diaphragm of the eye! J Ophthalmic Res Pract 2023;1:37-8.

A 21-year-old male visited the eye center for a general checkup. The best corrected visual acuity in both eyes was 20/20. Undilated anterior segment finding was unremarkable in the right eye but there was a nodule-like elevation behind the iris of the left eye at the 8 o’clock position. After dilatation, an immobile cyst-like structure was seen behind the iris as shown in [Figure 1] which was around 2*1 mm in size, oval in shape, and not in the pupillary axis as shown in [Figures 2 and 3]. Additional testing helped to rule out infection, cysticercosis, and malignancy. The ocular history was unremarkable. B scan was unremarkable. A diagnosis of benign epithelial cyst was made and after offering surgery the patient elected for observation. The patient is advised to follow-up every 6 months to see for the progression of size and the need for surgery based on that.

Slit Lamp view of iris cyst.
Figure 1:
Slit Lamp view of iris cyst.
Retroillumination view of iris cyst.
Figure 2:
Retroillumination view of iris cyst.
Magnified view of iris cyst.
Figure 3:
Magnified view of iris cyst.

Iris cysts are relatively uncommon. It can be a reason for a diagnostic dilemma for an ophthalmologist. Iris cysts can be primary or secondary.[1] Primary iris cyst arises either from the pigment epithelium or from the stroma.[2] The location of iris cyst can be at the pupillary margin, mid-zonal, iris periphery, or freely floating.[3] Secondary cysts, on the other hand, can be post-surgical, post-traumatic, drug-induced, parasitic,[4] inflammatory, or due to intraocular tumors. Drugs likely to be associated with the formation of iris cysts are pilocarpine and latanoprost.[5] Intraocular tumors giving rise to iris cysts are medulloepithelioma, uveal melanoma, uveal nevus, and metastasis.[6] Epithelial iris cysts usually do not require surgical intervention, but stromal cysts often need surgery.[7]

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent.

Conflicts of interest

There are no conflicts of interest.

Financial support and sponsorship

Nil.

References

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