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Prentice's rule, named so after the optician Charles F. Prentice, is a formula used to determine the amount of induced prism in a lens: = where: P is the amount of prism correction (in prism dioptres) c is decentration (the distance between the pupil centre and the lens's optical centre, in millimetres) f is lens power (in dioptres)
Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.
Amblyopia. Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition . [2] [3] Patients may have up to 3D of anisometropia before the condition becomes clinically significant due to headache, eye ...
The 2022 FIA Formula One World Championship was a motor racing championship for Formula One cars, which was the 73rd running of the Formula One World Championship. It is recognised by the Fédération Internationale de l'Automobile (FIA), the governing body of international motorsport, as the highest class of competition for open-wheel racing ...
Storms that slammed several Southern states added to the region's recent string of weather-related destruction and death, including that of a Louisiana woman who was nine months pregnant. The ...
Criminal charges are not warranted in the rare liquor probe that shook Oregon’s alcohol agency last year and forced its executive director to resign, state justice officials said Monday. In ...
No one with the sheriff's department could immediately be reached for an update on the investigation Monday afternoon. Brillembourg is about 5-feet, 10-inches tall and weighs around 165 pounds ...
The trailer for the fourth season was released on 28 February 2022, and the season premiered on Netflix on 11 March 2022. Between 6 March 2022 and 20 March 2022, the series was watched for 57.03 million hours according to Netflix's top 10 list. Episodes
Convergence insufficiency. Convergence Insufficiency. Other names. Convergence disorder. Specialty. Ophthalmology, optometry. Convergence insufficiency is a sensory and neuromuscular anomaly of the binocular vision system, characterized by a reduced ability of the eyes to turn towards each other, or sustain convergence .
UPDATE: 5/9 1:30 p.m. ET. Shannon Ruth’s legal team addressed Carter’s new allegations in a statement to Us Weekly on Thursday, May 9. “Ms. Ruth disagrees with much of the information that ...