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Table 1 Detailed description of Activities of Daily Living (ADL)

From: Evaluation of activities of daily living following pseudophakic presbyopic correction

ADL Description
Phone Book Search (PBS) Patient is required to find and read a specific entry in a regular phonebook catalog within 60 s with task lightinga. PBS score = Task duration. Perceived difficulty is evaluated.
Supermarket receipt (SR) Patient is required to read a typical supermarket receipt (monospaced Sanserif font) within 20 s with task lightinga. ADL score is derived using the formula SR = task duration + (number of errors × 2). Perceived difficulty is also evaluated.
Book reading (BR) Patient is required to read a chapter in a novel with task lightinga. ADL score is derived using the formula BR = task duration + (number of errors × 2). Perceived difficulty is also evaluated.
Cellular message (CM) Patient is required to read an SMS on a 4-in. cellular phoneb in an environment with ambient lightingd. ADL score is derived using the formula CM = task duration + (number of errors × 2). Perceived difficulty is also evaluated.
Cellular Entry Search (CES) Patient is required to find and read a specific entry on a 4-in. cellular phone within 10 s b in an environment with ambient lightingd. CES score = Task duration. Perceived difficulty is evaluated.
Reading Computer Screen (RCS) Patient is required to correctly read text from a computer screenc in an environment with ambient lightingd. ADL score is derived using the formula RCS = task duration + (number of errors × 2). Perceived difficulty is also evaluated.
Drops Bottle reading (DR) Patient is required to correctly read the print on a typical bottle of eye drops within 20 s with task lightninga. ADL score is derived using the formula DR = task duration + (number of errors × 2). Perceived difficulty is also evaluated.
Subtitles reading (SuR) Patient is required to correctly read movie subtitles on a computer screenc with ambient lightingd. ADL score is derived using the formula SR = number of errors × 2. Perceived difficulty is also evaluated.
Open door test (ODT) Patient is required to find a specific key from a keychain that holds 10 keys and open a door within 25 s with ambient lightingd. ODT score = Task duration. Perceived difficulty is evaluated.
Screwdriver test (ST) Patient is required to select between three screws and three screwdrivers and insert each screw on a specific hole within 30 s with ambient lightingd. ST score = Task duration. Perceived difficulty is evaluated.
  1. aTask lighting: 80 foot candles in workspace, 3000 K
  2. bCellular Screen Specifications: 640 × 1136 pixels (~326 ppi pixel density), 100% brightness
  3. cComputer Screen Specifications: 21.5 in. screen, Times New Roman font size 12, 100% Zoom, 100% brightness, 50% contrast
  4. dAmbient lighting: 70 foot candles, 3000 K