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WorksheetsCortez - Lens
Total questions: 20
Worksheet time: 30mins
Q. What is the main symptom of Cataract?
A. Eye Pain
B. Eye Congestion
C. Visual Impairment
D. Ocular Discharge
Q. The opacity of cortical cataract is often described as:
A. Stick shaped
B. Wedge shaped
C. Punctate
D. Dumbbell shaped
Q. Your patient is scheduled for Phacoemulsification for the treatment of his cataract. You are tasked to provide him with further information. Which statement is correct?
A. " The cloudy lens in your eye will be broken up with ultrasound waves and removed. Then an intraocular lens will be placed"
B. "A small air bubble will be injected into your eye to help the lens refract light back to the retina"
C. "An incision will be made at the ciliary body and this will help to drain fluid out of the lens"
D. "The eye surgeon will remove parts of the iris and lens"
Q. Which of the following methods can correctly diagnose cataracts?
A. Refraction
B. Ocular Ultrasound
C. Slit Lamp Biomicroscopy
D. Visual Field Examination
Q. The youngest cells in the lens are located in the:
A. Embryonic Nucleus
B. Fetal Nucleus
C. Posterior Capsule
D. Cortex
Q. All of the following are risk factors that decrease the risk for developing cataracts, EXCEPT:
A. Eating a diet rich in vegetables and fruits
B. Wearing sunscreen while outdoors
C. Smoking cessation
D. Managing blood glucose levels
Q. The type of IOL that corrects for pre-existing astigmatism:
A. Monofocal lens
B. Multifocal lens
C. Toric lens
D. PMMA lens
Q. In which of the following are glasses required for near vision after cataract surgery?
A. Multifocal IOL
B. Monofocal IOL for distance correction
C. Monofocal IOL for near correction
D. Accommodative IOL
Q. What is the most common cause of reduced vision after cataract surgery?
A. Inflammation
B. Infection
C. Refractive Error
D. After Cataract
Q. Which of the following is the MOST important factor in the prevention of Endophthalmitis due to cataract surgery?
A. Preoperative preparation with povidone iodine
B. 1 week antibiotic therapy prior to surgery
C. Nasolacrimal duct irrigation
D. Use of intravitreal antibiotics
Q. Which of the following is the optimal position for inserting an IOL during cataract surgery?
A. Anterior chamber, above the iris
B. Posterior chamber, above the anterior capsule
C. Posterior chamber, inside the capsular bag
D. Vitreous humor, above the retina
Q. Which of the following statement is CORRECT about Senile Cataract?
A. 59 year old, painless sudden loss of vision
B. 69 year old, painful sudden loss of vision
C. 79 year old, painless gradual loss of vision
D. 89 year old, painful gradual loss of vision
Q. A patient who was operated for cataract 4 months ago comes back to you with foggy vision. On examination, there was posterior capsule thickening. Which mode of treatment is most useful?
A. Femtosecond laser
B. Yag Laser
C. Argon Laser
D. Diode Laser
Q. Earliest visual rehabilitation occurs with:
A. Manual Small Incision Cataract Surgery with IOL
B. ICCE with IOL implantation
C. ECCE with IOL implantation
D. Phacoemulsification with IOL implantation
Q. When a patient focuses on near objects, the lens zonules:
A. Rotate
B. Contract
C. Relax
D. Diffract
Q. Corticosteroids typically induce what kind of cataract?
A. Nuclear
B. Posterior Polar
C. Posterior Subcapsular
D. Cortical
Q. Which patient finding below is best associated with the development of cataracts?
A. Loss of central vision
B. Loss of peripheral vision
C. Cloudy, hazy vision
D. Black spots in vision
Q. True or False: If a patient has bilateral cataracts and needs surgery, both eyes can be surgically treated at the same time to lower cost and risk of infection
A. True
B. False
Q. What is the most common cause of cataracts?
A. Aging
B. Uncontrolled blood glucose levels
C. Congenital
D. Trauma
Q. After 48 hours of a cataract extraction operation, a patient complained of ocular pain and visual loss. On examination, the eye looked red with enlargement of the conjunctival vessels, corneal edema and absent red reflex. Your first suspicion must be:
A. Primary Glaucoma
B. Acute Conjunctivitis
C. Dislocated IOL
D. Bacterial Endophthalmitis
