WITH SOLUTIONS GRADED A+ 2025/2026
✔✔When pupils are of unequal size it is called - ✔✔anisocoria
✔✔Which test compares the direct and cons usual responses to the pulp? -
✔✔swinging flashlight test
✔✔A disadvantage of chemical-based contact lens care systems is - ✔✔irritation
✔✔Soft contact lenses are susceptible to deposits of - ✔✔proteins
✔✔An important difference between side and rigid lenses is that soft contact lenses are
- ✔✔usually more comfortable
✔✔The permeability of a contact lens is denoted by which value? - ✔✔DK
✔✔The instrument that measure the curvature of the central part of the cornea is the -
✔✔keratometer
✔✔The instrument that measures the power of the spectacle lens is the - ✔✔lensmeter
✔✔When replacing the projector's lamp, it is important to
A. leave the lamp housing on the projector
B. wait a few minutes after it is turned off
C. Disassemble the lamp reflector
D. Clean it with alcohol - ✔✔B wait a few minutes after it is turned off
✔✔The exposed lens surface of an eyepiece should be dusted periodically with a... -
✔✔camel hair brush
✔✔What two items are used to clean the retinoscopy lens, polarizing lens, red lens, and
maddoc rod lens? - ✔✔cotton tip swab and glass cleaner
✔✔Routine maintenance of a phoropter should include... - ✔✔1. protecting the
phoropter with a dust cover when not in use
2. cleaning the back lenses of photopter with glass cleaner
3. cleaning off dust on engrossed lenses with an ear syringe
✔✔calibration of the application tonometer is checked by - ✔✔using a measured weight
attached to the tonometer balancing arm at 0, 2, and 6
✔✔a Lens with a focal length of 2 meters has a power of - ✔✔0.5D
, ✔✔What part of the spectacle frame connets the two lenses? - ✔✔bridge
✔✔The measurement used to determine the distance between the optical centers of
spectacle lenses is the - ✔✔pupillary distance
✔✔The optical centers of spectacles lenses must be properly aligned in order to avoid
what effect? - ✔✔prismatic
✔✔What is the reading portion of a bifocal prescription called? - ✔✔addition
✔✔Which process is useful for measuring corneal astigmatism? - ✔✔Keratometry
✔✔The results of a keratometry can be expressed in - ✔✔diopters
✔✔Ub keratometry, if the power of the vertical meridian is greater than the power of the
horizontal meridian, the patient has...
A. With the rule astigmatism
B. Against the rule astigmatism - ✔✔with-the-rule astigmatism
✔✔Corneal curvature measurement is vital to ensure that contact lens
A. touches the corneal surface
B> touches the conjunctival surface
C. rests on the corena
D. rests on the tear film - ✔✔C. rests on the cornea
✔✔The dioptric power of the cornea is determined by - ✔✔keratometer readings
✔✔What is the MAIN purpose of wearing impact resistant rather than ordinary glasses
in an industrial setting? - ✔✔Prevent ocular injury
✔✔The proper technique to assist the visually impaired patient is to - ✔✔place their
hand on your arm at the elbow.
✔✔The function of tear film is to - ✔✔hydrate and protect the ocular surface
✔✔What process best describes the patients participation in their own treatment? -
✔✔Informed consent
✔✔To provide informed consent, patients must - ✔✔comprehend the doctors
recommendations
✔✔Ophthalmologists have a duty to ensure that each patient understands their -
✔✔treatment recommendations