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Assessing gonioscopy findings.

1 CET POINT

This feature tests the practitioner's ability to assess gonioscopy findings by interpreting the signs and symptoms given.

01 Which other ocular signs may be present in this eye?

a) New vessels elsewhere on the retina

b) New vessels at the optic disc

c) Iris neovascularisation

d) All of these options

02 Which of the following is not a common cause of the sign in the image?

a) Central retinal vein occlusion

b) Proliferative diabetic retinopathy

c) Hypertensive retinopathy

d) Carotid artery obstructive disease

03 Which of the following medical therapies is contraindicated if there is extensive synechial angle closure?

a) Pilocarpine

b) Timolol

c) Brimonidine

d) Dorzolamide

04 What structure in the anterior chamber is the star indicating?

a) Trabecular meshwork

b) Scleral spur

c) Ciliary body

d) Scwalbes line

05 Which of the following other signs is not likely to be present on examination?

a) Krukenberg spindle

b) White grey deposits at the pupil margin and anterior lens capsule

c) Mid peripheral iris transillumination defects

d) Scheie stripe

06 Which of the following statements about the condition shown in the image is false?

a) Iris pigment is released due to friction between lens zonules and peripheral iris

b) Exercise can release further pigment due to pupillary movement

c) Pilocarpine can reduce iridozonular contact and reduce IOP

d) Laser iridotomy increases iris concavity, thereby reducing iridozonular contact

07 What is the arrow indicating in the image?

a) Blood in the anterior chamber

b) Trabecular meshwork

c) Iris naevus

d) Schlemm's canal

08 Which of the following is a potential cause of the sign shown in the image?

a) Blunt trauma to the eye

b) Trabeculectomy surgery

c) Retinoblastoma

d) All of these options

09 Which of the following is not a potential complication of the condition?

a) Peripheral anterior synechiae

b) Corneal blood staining

c) Severely reduced intraocular pressure

d) Posterior synechiae

10 What is the red star indicating?

a) Exudative retinal detachment

b) Choroidal melanoma

c) Ciliary body melanoma

d) Peripheral anterior synechiae

11 Which of the following is not a common risk factor for the above condition?

a) Caucasian race

b) Light coloured irides

c) Congenital ocular melanocytosis

d) Female gender

12 Which of the following ocular signs and symptoms is unlikely to be present?

a) Visual field loss

b) Blurred vision due to lenticular astigmatism

c) Pain due to raised IOP

d) Constriction of the episcleral vessels

Acknowledgements

Images courtesy of Mayo Clinic, Jacksonville, Florida.

Exam questions

Under the enhanced CET rules of the GOC, MCQs for this exam appear online at www.optometry.co.uk. Please complete online by midnight on 10 August 2018. You will be unable to submit exams after this date.

Prashant Shah MCOptom, PGDipOphth, DipCIinOptom and Yashita Shah MCOptom, PGDipOphth

* Prashant Shah is an optometrist with postgraduate diplomas in ophthalmology and in clinical optometry and currently works in routine practice.

* Yashita Shah is an optometrist working in independent practice. She holds a postgraduate diploma in ophthalmology.

Course code: C-59607 Deadline: 10 August 2018

Learning objectives

* Recognise the clinical characteristics of a range abnormalities observed during gonioscopy (Group 6.1.5)

* Be able to identify a range of clinical conditions by interpreting gonioscopic findings (Group 2.1.2)

Caption: Image A An 80-year-old patient taking NovoRapid with visual acuity of 6/12 and IOP of30mmHg presents for an eye examination.

Caption: Image B A 25-year-old male presents for a routine test. His prescription is -1.00DS and the intraocular pressure is 22mmHg.

Caption: Image C A 16-year-old patient presents as an urgent appointment.

Caption: Image D A 70-year-old male presents with a gradual reduction in vision.
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Title Annotation:VRICS: Gonioscopy
Author:Shah, Prashant; Shah, Yashita
Publication:Optometry Today
Date:Jul 1, 2018
Words:606
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