Test 3
1. Spasm of accommodation:
a. can masquerade myopia 

b. results in presbyopia 

c. occurs more frequently in hypermetropia 

d. causes convergence insufficiency 

e. can be alleviated by miotics

2. The following are true about schematic eye:

a. it contains six cardinal pints 

b. the cornea has a higher refractive power than the lens 

c. the cornea has a higher refractive index than the lens 

d. the anterior focal point is longer than the posterior point 

e. the posterior lens surface has a larger radius of curvature than the 
    anterior lens surface

3. Image distortion from a cylindrical lens can be minimized by:

a. decreasing the vertex distance 

b. by reducing the cylinder power 

c. using a toric contact lens 

d. using plus cylinder lens 

e. rotating the axis towards 90 or 180 degrees

4. During streak retinoscopy, the following are true about the point of

a. the reflex moves rapidly 

b. the reflex becomes dimmer 

c. moving towards the patient produces against movement in all meridians 

d. the retinal and the peephole of the retinoscope forms the conjugate 

e. the retinoscopic refraction is complete

5. Compared with soft contact lens, rigid gas permeable contact lens:

a. is suitable for intermittent wear 

b. gives a better vision 

c. has a greater diameter 

d. is more resistant to wear and tear 

e. is not suitable for keratoconus 

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