Retinal Surgery: Interactive Learning Quizzes for Medical Students

Question 1

What is the main reason for performing retinal surgery?

Accepted Answer

Retinal detachment

Answer

Macular hole

Answer

Epiretinal membrane

Answer

Vitreous hemorrhage

Question 2

What is the primary purpose of retinal surgery?

Accepted Answer

To repair damage to the retina, such as tears or detachments.

Answer

To remove cataracts or other obstructions blocking vision.

Answer

To correct refractive errors, such as nearsightedness or farsightedness.

Answer

To treat glaucoma, a condition characterized by increased pressure within the eye.

Question 3

Which of the following is the most common type of retinal detachment?

Accepted Answer

Rhegmatogenous detachment, caused by a tear in the retina.

Answer

Tractional detachment, caused by scar tissue pulling on the retina.

Answer

Exudative detachment, caused by fluid leaking from blood vessels beneath the retina.

Answer

Traumatic detachment, caused by an injury or blunt force to the eye.

Question 4

During retinal surgery, which instrument is used to provide illumination and visualization of the retina?

Accepted Answer

Endoilluminator, a fiberoptic device that provides illumination within the eye.

Answer

Ophthalmoscope, a handheld device used to examine the eye.

Answer

Scleral buckle, a device placed around the eye to support the sclera.

Answer

Vitrectomy probe, a surgical instrument used to remove the vitreous humor.

Question 5

What is the main purpose of performing a pneumatic retinopexy?

Accepted Answer

To repair a retinal tear by injecting a gas bubble into the vitreous cavity.

Answer

To drain subretinal fluid and relieve pressure on the retina.

Answer

To create a scleral buckle around the eye to support the sclera.

Answer

To remove vitreous opacities, such as blood or debris, from the vitreous humor.

Question 6

What is the primary function of a scleral buckle in retinal surgery?

Accepted Answer

To provide support to the sclera, the white outer layer of the eye, and prevent further retinal detachment.

Answer

To drain subretinal fluid and relieve pressure on the retina.

Answer

To visualize the retina more clearly during surgery.

Answer

To remove vitreous opacities, such as blood or debris, from the vitreous humor.

Question 7

Which surgical technique is used to seal a retinal tear?

Accepted Answer

Laser photocoagulation

Answer

Cryotherapy

Answer

Scleral buckling

Answer

Vitrectomy

Question 8

What is the main purpose of vitrectomy surgery in retinal detachment repair?

Accepted Answer

To remove vitreous humour and alleviate traction

Answer

To replace the retinal pigment epithelium

Answer

To repair retinal tears

Answer

To insert a scleral buckle

Question 9

What is the primary factor guiding surgical decision-making in retinal detachment cases?

Accepted Answer

The extent of the detachment

Answer

The patient's age

Answer

The surgeon's experience

Answer

The availability of the operating room

Question 10

What is the typical follow-up schedule for patients after retinal detachment surgery?

Accepted Answer

Every 6 months for the first year, then yearly thereafter

Answer

Weekly for the first month

Answer

Monthly for the first year

Answer

Yearly thereafter

Question 11

Describe the indications and techniques involved in scleral buckling procedures for treating retinal detachments.

Accepted Answer

Indicated for extensive retinal tears and proliferative vitreoretinopathy; involves encircling the eye with a silicone band to indent the sclera, compressing the vitreous, and repositioning the retina.

Answer

Indicated for small macular holes; involves removing the vitreous and replacing it with a gas bubble to support the retina.

Answer

Indicated for rhegmatogenous retinal detachments; involves freezing the retina to create adhesions.

Answer

Indicated for diabetic retinopathy; involves using a laser to seal leaking blood vessels.

Question 12

Which of the following is a known risk factor for retinal detachment?

Accepted Answer

Myopia

Answer

Hyperopia

Answer

Emmetropia

Question 13

What is the main objective of performing a vitrectomy in retinal detachment surgery?

Accepted Answer

To remove vitreous opacities and facilitate retinal reattachment

Answer

To evacuate subretinal fluid

Answer

To reduce intraocular pressure

Question 14

Which of the following conditions is a contraindication to pneumatic retinopexy?

Accepted Answer

Giant retinal tear

Answer

Macular hole

Answer

Small peripheral retinal tear

Question 15

What is the primary instrument used to handle retinal tissue during surgery?

Accepted Answer

Forceps

Answer

Needle

Answer

Laser

Answer

Scissors

Question 16

What is the main role of the operating microscope in retinal surgery?

Accepted Answer

To magnify and illuminate the surgical field

Answer

To drain subretinal fluid

Answer

To remove vitreous

Answer

To create retinal breaks

Question 17

A 25-year-old male patient presents with a sudden onset of floaters and flashes of light in their right eye. Fundoscopic examination reveals a small, inferior temporal retinal tear without a flap. Which of the following is the most appropriate surgical intervention for this patient?

Accepted Answer

Laser photocoagulation

Answer

Vitrectomy

Answer

Scleral buckling

Answer

Pneumatic retinopexy

Question 18

A 65-year-old patient presents with a rhegmatogenous retinal detachment involving the posterior pole. During surgery, you observe a large, flap-like tear in the inferior macula. Which of the following techniques is the most appropriate for repairing this type of tear?

Accepted Answer

Internal tamponade with silicone oil

Answer

Laser photocoagulation

Answer

Scleral buckling alone

Answer

Pneumatic retinopexy

Question 19

Which of the following is a potential risk factor for developing a cataract after vitrectomy surgery?

Accepted Answer

Prolonged postoperative corticosteroid use

Answer

Young age of the patient

Answer

Use of a gas tamponade

Answer

Absence of preoperative lens damage

Question 20

A patient undergoing a vitrectomy for a diabetic macular edema experiences a sudden rise in intraocular pressure. What is the most likely cause of this complication?

Accepted Answer

Tractional retinal detachment

Answer

Cataract formation

Answer

Infection

Answer

Bleeding

Question 21

A patient undergoing a scleral buckling procedure for a retinal detachment complains of discomfort and blurred vision postoperatively. What is the most likely explanation for these symptoms?

Accepted Answer

Excessive scleral buckle indentation

Answer

Infection

Answer

Retinal detachment recurrence

Answer

Cataract formation

Question 22

Which of the following is a contraindication for pneumatic retinopexy?

Accepted Answer

Large retinal tear with a flap

Answer

Small retinal tear without a flap

Answer

Proliferative diabetic retinopathy

Answer

Vitreous hemorrhage

Question 23

A patient with a macula-on retinal detachment undergoes a vitrectomy with internal tamponade. Which of the following substances is commonly used for tamponade in such cases?

Accepted Answer

Silicone oil

Answer

Air

Answer

Perfluorocarbon

Answer

Gas

Question 24

Which of the following is a key advantage of using a gas tamponade in retinal detachment surgery?

Accepted Answer

Temporary and resorbable

Answer

Provides long-term internal tamponade

Answer

Can be used for all types of retinal detachment

Answer

Permanent and stable

Question 25

A patient with a history of multiple retinal detachments presents with a recurrent detachment. Which of the following factors is most likely to contribute to this recurrence?

Accepted Answer

Presence of proliferative vitreoretinopathy

Answer

Previous ocular trauma

Answer

Type of initial surgery

Answer

Age of the patient

Question 26

A patient with a history of retinal detachment undergoes a vitrectomy with silicone oil tamponade. Postoperatively, the patient complains of blurred vision and difficulty reading. What is the most likely cause of these symptoms?

Accepted Answer

Silicone oil interface syndrome

Answer

Retinal detachment recurrence

Answer

Cataract formation

Answer

Glaucoma