Personal User Preferences


Rate your preferences of qualities and features for a surgical telescope system.

How important to you in your selection of surgical telescopes are each of the following characteristics / features? Evaluate each feature or category according to the following scale:

0= Not at all important to me
1= Of some importance
2= Quite important
3= Extremely important to me
General Issues:

Type of Frame (e.g., metal vs. plastic)
Availability with designer Frames?
"Flip-up" capability

Physical comfort (size, weight, stability)
Lighter weight of telescopes
Stability on operator's head

Availability of integrated (fiber-optic) light source
Ease of repair (fast, convenient)
Initial Cost



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Optical Properties:

Type of magnification optics (e.g., Galilean vs. Keplerian)
Specific Declination angle
Wide Range of Declination angles
Great Depth of field
Specific Working Distance

Maximum Field Height and Width (--- shape and dimensions)
Minimum Scotoma (between-field blind-zone)
Interpupillary width adjustability
Horizontal angulation (of eyepieces) adjustability
Lack of chromatic aberration

Flatness of field
Suitability for my special visual prescription
Allowance for easy modification required by changes in my visual prescription



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Contamination / Cross-Contamination issues:

High degree of adjustability
No adjustments required (i.e., with a fully customized, fixed lens system)
Availability of protective side-guards
Availability of sterilizable lift-tabs (for flip-up models)




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Other issues:
(please specify)