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His character is based on a character created by Tex Avery, Droopy. Like many recurring characters, Hans Moleman has had a wide variety of careers over the course of the series. Hans Moleman's appearances usually come in the form of a running gag where he is killed by various accidents, yet inexplicably returns unharmed in subsequent episodes ...
Snellen chart. Purpose. Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula ...
REF2 Advanced Dungeons & Dragons Player Character Record Sheets is a booklet containing 16 character sheets, with sufficient spaces included to record information for AD&D characters. Each sheet has check-boxes to record how much supplies and ammunition a character is carrying, and space is provided to record brief information for the family ...
Lea test. logMAR chart. An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.
Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...
A character sheet is a record of a player character in a role-playing game, including whatever details, notes, game statistics, and background information a player would need during a play session. Character sheets can be found in use in both traditional and action role-playing games. Almost all role-playing games make use of character sheets ...
Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
Vertex distance is the distance between the back surface of a corrective lens, i.e. glasses (spectacles) or contact lenses, and the front of the cornea. Increasing or decreasing the vertex distance changes the optical properties of the system, by moving the focal point forward or backward, effectively changing the power of the lens relative to ...