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For a prism with apex angle and refractive index, = (). Prentice's rule. 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)
The 2020 FIA Formula One World Championship was the motor racing championship for Formula One cars which was the 71st running of the Formula One World Championship. It marked the 70th anniversary of the first Formula One World Drivers' Championship.
The 2020 Emilia Romagna Grand Prix (officially known as the Formula 1 Emirates Gran Premio dell'Emilia Romagna 2020) was a Formula One motor race which took place on 1 November 2020 at the Autodromo Internazionale Enzo e Dino Ferrari in Imola, Italy.
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.
The 2020 Tuscan Grand Prix (officially known as the Formula 1 Pirelli Gran Premio della Toscana Ferrari 1000 2020) was a one-off Formula One motor race held on 13 September 2020 at the Autodromo Internazionale del Mugello in Scarperia e San Piero, Tuscany, Italy.
Consider a pair of spectacles to correct for myopia with a prescription of −1.00 m −1 in one eye and −4.00 m −1 in the other. Suppose that for both eyes the other parameters are identical, namely t = 1 mm = 0.001 m, n = 1.6, P = 5 m −1 , and h = 15 mm = 0.015 m.
The 2020 Portuguese Grand Prix (officially known as the Formula 1 Heineken Grande Prémio de Portugal 2020) was a Formula One motor race that was held on 25 October 2020 at the Algarve International Circuit in Portimão, Portugal.
The 2020 Italian Grand Prix (officially known as the Formula 1 Gran Premio Heineken d'Italia 2020) was a Formula One motor race that was held on 6 September 2020 at the Autodromo Nazionale di Monza in Monza, Italy. The race was the eighth round in the 2020 Formula One World Championship.
Incomitant strabismus cannot be fully corrected by prism glasses, because the eyes would require different degrees of prismatic correction dependent on the direction of the gaze. Incomitant strabismus of the eso- or exo-type are classified as "alphabet patterns": they are denoted as A- or V- or more rarely λ -, Y- or X-pattern depending on the ...
The 2020 Spanish Grand Prix (officially known as the Formula 1 Aramco Gran Premio de España 2020) was a Formula One motor race held on 16 August 2020 at the Circuit de Barcelona-Catalunya in Montmeló, Spain.