---
type: "Bill"
title: "Mobile optometry units"
description: "AN ACT TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY AMENDING SECTION 40-37-20, RELATING TO DEFINITIONS CONCERNING THE PRACTICE OF OPTOMETRY, SO AS TO PROVIDE A NECESSARY DEFINITION; AND BY AMENDING SECTION 40-37-320, RELATING TO SITE AND SERVICE LIMITATIONS ON MOBILE OPTOMETRY UNITS AND CERTAIN ASSOCIATED DISCIPLINARY ACTION LIMITATIONS, SO AS TO INCLUDE CERTAIN SITES OF ORGANIZATIONS THAT SERVE CHILDREN FROM LOW-INCOME COMMUNITIES DURING THE SUMMER. - RATIFIED TITLE"
jurisdiction: "us/states/sc"
legislature: "South Carolina General Assembly"
session: "2023-2024"
identifier: "H 4333"
citation: "South Carolina H 4333 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["B.L. Cox", "Davis", "Henderson-Myers", "King", "M.M. Smith", "McDaniel", "Pace", "Weeks"]
version_count: 6
action_count: 20
vote_count: 2
first_action: "2023-04-18"
last_action: "2024-05-29"
source: "openstates"
source_identifier: "ocd-bill/e9ea6c9e-138e-4f97-b89c-2c2b0d2e60c6"
source_url: "https://www.scstatehouse.gov/billsearch.php?billnumbers=4333&session=125&summary=B"
source_hash: "9b08657d8312f873f02bd038900e17ecf6925861f9acbf15935ca0157e577c3d"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-sc"]
---

# South Carolina H 4333 (2023-2024) — Mobile optometry units

AN ACT TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY AMENDING SECTION 40-37-20, RELATING TO DEFINITIONS CONCERNING THE PRACTICE OF OPTOMETRY, SO AS TO PROVIDE A NECESSARY DEFINITION; AND BY AMENDING SECTION 40-37-320, RELATING TO SITE AND SERVICE LIMITATIONS ON MOBILE OPTOMETRY UNITS AND CERTAIN ASSOCIATED DISCIPLINARY ACTION LIMITATIONS, SO AS TO INCLUDE CERTAIN SITES OF ORGANIZATIONS THAT SERVE CHILDREN FROM LOW-INCOME COMMUNITIES DURING THE SUMMER. - RATIFIED TITLE

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Filed** (filed) — [source](https://www.scstatehouse.gov/sess125_2023-2024/bills/4333.htm)
2. **02/28/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/4333_20240228.htm)
3. **03/06/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/4333_20240306.htm)
4. **03/13/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/4333_20240313.htm)
5. **04/18/2023** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/4333_20230418.htm)
6. **04/18/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/4333_20240418.htm)

## Votes

- Passage of Bill — **114–1** (pass) · lower
- 2nd Reading — **40–0** (pass) · upper

## Sponsors

- B.L. Cox — primary (person)
- Davis — primary (person)
- Henderson-Myers — primary (person)
- King — primary (person)
- M.M. Smith — primary (person)
- McDaniel — primary (person)
- Pace — primary (person)
- Weeks — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-04-18** Introduced and read first time `introduction, reading-1`
- **2023-04-18** Referred to Committee on Medical, Military, Public and Municipal Affairs `referral-committee`
- **2024-02-28** Committee report: Favorable with amendment Medical, Military, Public and Municipal Affairs `committee-passage-favorable`
- **2024-02-29** Member(s) request name added as sponsor: Henderson-Myers
- **2024-03-06** Member(s) request name added as sponsor: Weeks
- **2024-03-06** Amended `amendment-passage`
- **2024-03-06** Read second time `reading-2`
- **2024-03-06** Roll call Yeas-114 Nays-1
- **2024-03-07** Read third time and sent to Senate `passage, reading-3`
- **2024-03-12** Introduced and read first time `introduction, reading-1`
- **2024-03-12** Referred to Committee on Medical Affairs `referral-committee`
- **2024-03-13** Scrivener's error corrected
- **2024-04-18** Committee report: Favorable Medical Affairs `committee-passage-favorable`
- **2024-04-25** Read second time `reading-2`
- **2024-04-25** Roll call Ayes-40 Nays-0
- **2024-04-30** Read third time and enrolled `passage, reading-3`
- **2024-05-08** Ratified R 155
- **2024-05-13** Signed By Governor `executive-signature`
- **2024-05-29** Effective date 05/13/24
- **2024-05-29** Act No. 140

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e9ea6c9e-138e-4f97-b89c-2c2b0d2e60c6`. Confidence: reported (aggregated from official South Carolina legislature records).