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Year : 2017  |  Volume : 55  |  Issue : 3  |  Page : 256-258

Answers to previous issue photo quiz

Sundar Eye Hospital, Chennai, Tamil Nadu, India

Date of Web Publication9-Mar-2018

Correspondence Address:
Dr. Devi Radhakrishnan
Sundar Eye Hospital, W-98, 2nd. Avenue, Anna Nagar, Chennai - 600 040, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tjosr.tjosr_42_17

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How to cite this article:
Radhakrishnan D, Jagadeesan P. Answers to previous issue photo quiz. TNOA J Ophthalmic Sci Res 2017;55:256-8

How to cite this URL:
Radhakrishnan D, Jagadeesan P. Answers to previous issue photo quiz. TNOA J Ophthalmic Sci Res [serial online] 2017 [cited 2020 Oct 28];55:256-8. Available from: https://www.tnoajosr.com/text.asp?2017/55/3/256/226872

Figure 1: Photoquiz Question 1

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Question 1: Identify the Topographic Pattern [Figure 1]. Is it Normal?

Answer 1

Small central asymmetric bow-tie appearance in topography. It is indicative of keratoconus in spite thinnest patchy of 530 mic which is within normal limits.

Figure 2: Photoquiz Question 2

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Question 2: Rajeev C/o Blurred Vision of 2 weeks. He Gives a History of Taking a Nasal Spray for the Past 6 months. What Is the Diagnosis [Figure 2]? Name Any 3 Drugs (Other Than Steroids) That Are Reported to Cause This Condition.

Answer 2

Central serous chorioretinopathy. Pseudoephedrine and oxymetazoline (nasal sprays), ephedra (contained in body-building dietary products), sildenafil, tadalafil, vardenafil, binimetinib used for metastatic cancer.

Figure 3: Photoquiz Question 3

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Question 3: What Is the Diagnosis [Figure 3]? What Is the Associated Condition to Be Ruled Out?

Answer 3

Bear-track lesions of congenital hypertrophy of the retinal pigment epithelium. A subgroup of these lesions has been associated with familial adenomatous polyposis (Gardner syndrome).

Figure 4: (a) Photoquiz Question 4 (a), (b) Photoquiz Question 4 (b)

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Question 4: What Is This?

Answer 4

Wyburn–Mason Syndrome. The typical lesion consists of markedly dilated and tortuous vessels that shunt blood flow directly from arteries to veins [Figure 4]a.

In Fundus fluorescein angiogram (FA), these vessels do not leak fluid [Figure 4]b.

Figure 5: Photoquiz Question 5

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Question 5: Sometimes, You May Come Across a Patient With Proliferative Diabetic Retinopathy in One Eye and Non-Pdr or No Proliferative Diabetic (Dr) in the Other Eye. Name Any 3 Conditions You Need to Rule Out in Such Cases of Asymmetric Diabetic Retinopathy [Figure 5].

Answer 5

  1. The better eye can be myopic. Myopia has protective effect against DR
  2. Peripheral DR/Featureless retina in the worse eye. Rule out by Fundus Angiogram
  3. Carotid artery stenosis.

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Conflicts of interest

There are no conflicts of interest.


  [Figure 1], [Figure 2], [Figure 3], [Figure 4], [Figure 5]


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